Zaragoza:

 
BB Alexander, L.G.. Longman English grammar practice : for intermediate students / L. G. Alexander . 1st ed., 19th impr. London ; New York : Longman, 2006
BB Hancock, Mark. English pronunciation in use : self-study and classroom use. Intermediate / Mark Hancock . - 2nd ed., reprint. Cambridge : Cambridge University Press, 2012
BB Harmer, Jeremy. Essential Teacher Knowledge : Core concepts in english language teaching : Essential / Jeremy Harmer . Harlow, Essex : Pearson Education, 2012
BB Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB Jones, Leo. Use of English : Grammar practice activities for intermediate and upper-intermediate students. Student's book / Leo Jones . Cambridge [etc.] : University Press, 1986
BB McCarthy, Michael. English Vocabulary in Use : Upper-intermediate / Michael McCarthy, Felicity O'Dell . - 2nd ed., 9th print. Cambridge : Cambridge University Press, 2005
BB Redman, Stuart. English vocabulary in use : pre-intermediate and intermediate / Stuart Redman . - New ed., reimp. Cambridge : Cambridge University Press, 2003
BB Vince, Michael. Intermediate language practice : with key / Michael Vince . 1st ed. Oxford : Macmillan Heinemann, 1998


Huesca:

 
BB ALEXANDER, L. G. Longman English grammar practice : for intermediate students. 1st ed., 10th impr. [s. l.]: Longman, 1997. ISBN 0582045002.
BB HANCOCK, M. English pronunciation in use : self-study and classroom use. 2nd ed., reprint. [s. l.]: Cambridge University Press, 2012. ISBN 9780521185127.
BB HARMER, J. Essential Teacher Knowledge : Core concepts in English language teaching : Essential. 1st ed., 2nd impr. [s. l.]: Pearson Education, 2012. ISBN 9781408268049.
BB Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB Jones, Leo. Use of English : Grammar practice activities for intermediate and upper-intermediate students. Student's book / Leo Jones . Cambridge [etc.] : University Press, 1986
BB MCCARTHY, M.; O’DELL, F. English vocabulary in Use : [upper-intermediate]. 3rd ed. [s. l.]: University Press, 2013. ISBN 9781107600942.
BB REDMAN, S.; EDWARDS, L. English vocabulary in use : pre-intermediate and intermediate, With answers and CDROM. 1st ed., 7th print. [s. l.]: Cambridge University Press, 2015. ISBN 9780521149891.
BB VINCE, M. Intermediate language practice : [with key] : English grammar and vocabulary. 3rd ed. [s. l.]: Macmillan Education, 2010. ISBN 9780230726994.


Teruel:

 
BB Alexander, L.G.. Longman English grammar practice : for intermediate students / L. G. Alexander . 1st ed., 19th impr. London ; New York : Longman, 2006
BB Hancock, Mark. English pronunciation in use : self-study and classroom use. Intermediate / Mark Hancock . - 2nd ed., reprint. Cambridge : Cambridge University Press, 2012
BB Harmer, Jeremy. Essential Teacher Knowledge : Core concepts in english language teaching : Essential / Jeremy Harmer . Harlow, Essex : Pearson Education, 2012
BB Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB Jones, Leo. Use of English : Grammar practice activities for intermediate and upper-intermediate students. Student's book / Leo Jones . Cambridge [etc.] : University Press, 1986
BB McCarthy, Michael. English Vocabulary in Use : Upper-intermediate / Michael McCarthy, Felicity O'Dell . - 2nd ed., 9th print. Cambridge : Cambridge University Press, 2005
BB Redman, Stuart. English vocabulary in use : pre-intermediate and intermediate / Stuart Redman . - New ed., reimp. Cambridge : Cambridge University Press, 2003
BB Vince, Michael. Intermediate language practice : with key / Michael Vince . 1st ed. Oxford : Macmillan Heinemann, 1998