Cita APA

Richards, J. C., & Jack C. Richards. (1997). Expanding tactics for listening. New York: Oxford University Press.

Chicago Style Citation

Richards, Jack C., i Jack C. Richards. Expanding Tactics for Listening. New York: Oxford University Press, 1997.

Cita MLA

Richards, Jack C., i Jack C. Richards. Expanding Tactics for Listening. New York: Oxford University Press, 1997.