Richards, J. C., & O'Sullivan, K. (2007). Tune in 3: Learing English through listening : student book. Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوRichards, Jack C., و Kerry O'Sullivan. Tune in 3: Learing English Through Listening : Student Book. Oxford: Oxford Univ. Press, 2007.
MLA استشهادRichards, Jack C., و Kerry O'Sullivan. Tune in 3: Learing English Through Listening : Student Book. Oxford: Oxford Univ. Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.