APA (7th ed.) Zitazioa
Cotton, D., Falvey, D., & Kent, S. (2011). Market leader: Business english course book (3a. ed.). Pearson.
Chicago Style (17th ed.) Zitazioa
Cotton, David, David Falvey, eta Simon Kent. Market Leader: Business English Course Book. 3a. ed. Pearson, 2011.
MLA (9th ed.) Zitazioa
Cotton, David, et al. Market Leader: Business English Course Book. 3a. ed. Pearson, 2011.
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