Soars, J., & Soars, L. (2001). American Headway: Workbook 2. New York: Oxford University Press.
Čikaški stil citiranjaSoars, John, i Liz Soars. American Headway: Workbook 2. New York: Oxford University Press, 2001.
MLA način citiranjaSoars, John, i Liz Soars. American Headway: Workbook 2. New York: Oxford University Press, 2001.
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