Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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