Allan, D. (2004). Oxford Placement Test 2: Audio CD. New York: Cambridge university Press.
Trích dẫn kiểu ChicagoAllan, Dave. Oxford Placement Test 2: Audio CD. New York: Cambridge university Press, 2004.
MLA CitationAllan, Dave. Oxford Placement Test 2: Audio CD. New York: Cambridge university Press, 2004.
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