Liz, & Soars, J. (2009). American headway: Student book 5. New York: Oxford University Press.
Trích dẫn kiểu ChicagoLiz, và John Soars. American Headway: Student Book 5. New York: Oxford University Press, 2009.
MLA CitationLiz, và John Soars. American Headway: Student Book 5. New York: Oxford University Press, 2009.
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