Linse, C., O'Sullivan, K., & Richards, J. C. (2007). Tune in 1: Learing english through listening : Test pack. Oxford: Oxford Univ. Press.
Chicago Style aipamenaLinse, Caroline, Kerry O'Sullivan, và Jack C. Richards. Tune in 1: Learing English Through Listening : Test Pack. Oxford: Oxford Univ. Press, 2007.
MLA aipamenaLinse, Caroline, Kerry O'Sullivan, và Jack C. Richards. Tune in 1: Learing English Through Listening : Test Pack. Oxford: Oxford Univ. Press, 2007.
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