Linse, C., Richards, J. C., & O'Sullivan, K. (2007). Tune in 2: Learing English through listening : Test pack. Oxford: Oxford Univ. Press.
استشهاد بنمط شيكاغوLinse, Caroline, Jack C. Richards, و Kerry O'Sullivan. Tune in 2: Learing English Through Listening : Test Pack. Oxford: Oxford Univ. Press, 2007.
MLA استشهادLinse, Caroline, Jack C. Richards, و Kerry O'Sullivan. Tune in 2: Learing English Through Listening : Test Pack. Oxford: Oxford Univ. Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.