Παραπομπή APA

Richards, J. C., & O'Sullivan, K. (2007). Tune in 2: Learing english through listening : student book. Oxford: Oxford Univ. Press.

Παραπομπή Chicago Style

Richards, Jack C., και Kerry O'Sullivan. Tune in 2: Learing English Through Listening : Student Book. Oxford: Oxford Univ. Press, 2007.

Παραπομπή MLA

Richards, Jack C., και Kerry O'Sullivan. Tune in 2: Learing English Through Listening : Student Book. Oxford: Oxford Univ. Press, 2007.

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