Huesca:

BB	Cameron, Lynne. Teaching languages to young learners / Lynne Cameron . 1st publ. Cambridge : Cambridge University Press, 2001
BB	Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB	Kagan, Spencer. Cooperative Learning / Spencer Kagan. San Clemente (California) : Kagan, 2001
BB	Lightbown, Patsy.. How languages are learned / Patsy M. Lightbown and Nina Spada. . 4th. ed. Oxford : Oxford University Press, 2013.
BB	Mitchell, Rosamond. Second language learning theories / Rosamond Mitchell, Florence Myles, Emma Marsden . 3ª ed. London [etc.] : Routledge, 2013
BB	Reilly, Vanessa. Very young learners / Vanessa Reilly and Sheila M. Ward . Oxford : Oxford University Press, 1997
BB	Vale, David. Teaching children English : a training course for teachers of English to children / David Vale, with Anne Feunteun . 1st ed., 14th print. Cambridge : Cambridge University Press, 2008

Zaragoza:

BB	Cameron, Lynne. Teaching languages to young learners / Lynne Cameron . 1st publ. Cambridge : Cambridge University Press, 2001
BB	Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB	Kagan, Spencer. Cooperative Learning / Spencer Kagan. San Clemente (California) : Kagan, 2001
BB	Lightbown, Patsy.. How languages are learned / Patsy M. Lightbown and Nina Spada. . 4th. ed. Oxford : Oxford University Press, 2013.
BB	Mitchell, Rosamond. Second language learning theories / Rosamond Mitchell, Florence Myles, Emma Marsden . 3ª ed. London [etc.] : Routledge, 2013
BB	Reilly, Vanessa. Very young learners / Vanessa Reilly and Sheila M. Ward . Oxford : Oxford University Press, 1997
BB	Vale, David. Teaching children English : a training course for teachers of English to children / David Vale, with Anne Feunteun . 1st ed., 14th print. Cambridge : Cambridge University Press, 2008

Teruel:

BB	Cameron, Lynne. Teaching languages to young learners / Lynne Cameron . 1st publ. Cambridge : Cambridge University Press, 2001
BB	Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. 4th ed., 8th imp. Harlow : Longman, 2013
BB	Kagan, Spencer. Cooperative Learning / Spencer Kagan. San Clemente (California) : Kagan, 2001
BB	Lightbown, Patsy.. How languages are learned / Patsy M. Lightbown and Nina Spada. . 4th. ed. Oxford : Oxford University Press, 2013.
BB	Mitchell, Rosamond. Second language learning theories / Rosamond Mitchell, Florence Myles, Emma Marsden . 3ª ed. London [etc.] : Routledge, 2013
BB	Reilly, Vanessa. Very young learners / Vanessa Reilly and Sheila M. Ward . Oxford : Oxford University Press, 1997
BB	Vale, David. Teaching children English : a training course for teachers of English to children / David Vale, with Anne Feunteun . 1st ed., 14th print. Cambridge : Cambridge University Press, 2008