Cita APA

Richards, J. C. (2012). Tactics for listening expanding pack A (CD2: Units 9-12 and Tactics for testing units 1-12). Oxford: Oxford Univ. Press.

Citación estilo Chicago

Richards, Jack C. Tactics for Listening Expanding Pack A (CD2: Units 9-12 and Tactics for Testing Units 1-12). Oxford: Oxford Univ. Press, 2012.

Cita MLA

Richards, Jack C. Tactics for Listening Expanding Pack A (CD2: Units 9-12 and Tactics for Testing Units 1-12). Oxford: Oxford Univ. Press, 2012.