APA (7th ed.) Zitazioa

Lafond, C., Vine, S., & Welch, B. (2010). English for Negotiating. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Lafond, Charles, Sheila Vine, eta Birgit Welch. English for Negotiating. Oxford: Oxford University Press, 2010.

MLA (9th ed.) Zitazioa

Lafond, Charles, et al. English for Negotiating. Oxford University Press, 2010.