Soars, L., & Soars, J. (2000). New headway English course: Elementary : Workbook with key. Oxford: Oxford Univ. Press.
Chicago Style aipamenaSoars, Liz, và John Soars. New Headway English Course: Elementary : Workbook With Key. Oxford: Oxford Univ. Press, 2000.
MLA aipamenaSoars, Liz, và John Soars. New Headway English Course: Elementary : Workbook With Key. Oxford: Oxford Univ. Press, 2000.
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