Cita APA (7a ed.)

Richards, J. C., Bycina, D., & Wisniewska, I. (2005). Person to person: Communicative speaking and listening skills (3rd ed.). Oxford.

Cita Chicago Style (17a ed.)

Richards, Jack C., David Bycina, y Ingrid Wisniewska. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. New York: Oxford, 2005.

Cita MLA (8a ed.)

Richards, Jack C., et al. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. Oxford, 2005.