Cita APA

Richards, J. C., Bycina, D., Wisniewska, I., & London, A. (2006). Person to person communicative speaking and listening skills. Test booklet 1 (3a. ed.). Oxford University Press.

Citación estilo Chicago

Richards, Jack C., David Bycina, Ingrid Wisniewska, and Andy London. Person to Person Communicative Speaking and Listening Skills. Test Booklet 1. 3a. ed. Nueva York: Oxford University Press, 2006.

Cita MLA

Richards, Jack C., et al. Person to Person Communicative Speaking and Listening Skills. Test Booklet 1. 3a. ed. Oxford University Press, 2006.