BB [Business Correspondence] - Ashley, A.. Oxford Correspondence Workbook / A. Ashley . New ed. 2014 Oxford : Oxford University Press, 2014
BB [Business correspondence] - Ashley, A.. Oxford Handbook of Commercial Correspondence / A. Ashley . [New ed. 2014] Oxford : Oxford University Press, 2014
BB CAPEL, A.; SHARP, W. Cambridge English Objective First. 4th ed., 5th print. [s. l.]: Cambridge University Press, 2016. ISBN 9788483236918.
BB [Grammars] - Duckworth, Michael. Business grammar & practice / Michael Duckworth . New ed. Oxford : Oxford University press, 2014
BB [Grammars] - Murphy, Raymond. English grammar in use : a self-study reference and practice book for intermediate students of English : with answers / Raymond Murphy . 3rd ed., 17th printing Cambridge : Cambridge University Press, cop. 2004 (imp. 2011)
BC [Business English Certificates] - Cambridge BEC vantage 4 : with answers. 1st ed., 4th print. [Cambridge] : Cambridge University Press, 2013
BC Cotton, David. Intermediate Business English. Course book / David Cotton, David Falvey, Simon Kent. 3rd ed., 11th imp. Harlow : Pearson Education, 2016
BC Cotton, David. Pre-intermediate Business English : course book / David Cotton, David Falvey, Simon Kent. 3rd ed., 6th imp. Harlow (England) : Pearson Education, 2015
BC Cotton, David. Upper Intermediate Business English. Course book / David Cotton, David Falvey, Simon Kent. 3rd ed., 7th imp. Harlow : Pearson Education, 2015
BC [Dictionaries] - Alcaraz Varó, Enrique. Diccionario de términos económicos, financieros y comerciales : inglés-español = Spanish-English / Enrique Alcaraz Varó, Brian Hughes y José Mateo Martínez . 6ª ed. aum. y act. Barcelona : Ariel, 2008
BC [Dictionaries] - Cambridge Business English dictionary. Cambridge : Cambridge University Press, 2011
BC NICKERSON, C.; PLANKEN, B. Introducing business English. 1st published. [s. l.]: Routledge, 2016. ISBN 9781138016279.
BC [Vocabulary for Business ] - Mascull, Bill. Business vocabulary in use : advanced / Bill Mascull . 3rd ed. Cambridge : Cambridge University Press, 2017
BC [Vocabulary for Business] - Bethell, George. Test your Business Vocabulary in Use / Tricia Aspinall and George Bethell . Cambridge : Cambridge University Press, 2003
BC [Vocabulary for Business] - Mascull, Bill. Business vocabulary in use : intermediate / Bill Mascull. 3rd ed. Cambridge : Cambridge University Press, 2017