APA (7th ed.) Zitazioa

Cotton, D., Falvey, D., & Kent, S. (2004). Elementary Business English: Course book. Pearson Education.

Chicago Style (17th ed.) Zitazioa

Cotton, David, David Falvey, eta Simon Kent. Elementary Business English: Course Book. Essex: Pearson Education, 2004.

MLA (9th ed.) Zitazioa

Cotton, David, et al. Elementary Business English: Course Book. Pearson Education, 2004.