Cita APA (7a ed.)

Richards, J. C. (2006). Person to person: Communicative speaking and listening skills (3rd ed.). Oxford.

Cita Chicago Style (17a ed.)

Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. New York: Oxford, 2006.

Cita MLA (8a ed.)

Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. Oxford, 2006.

Precaución: Estas citas no son 100% exactas.