APA aipamena

Liz, & Soars, J. (2010). American headway: Workbook 5. New York: Oxford University Press.

Chicago Style aipamena

Liz, và John Soars. American Headway: Workbook 5. New York: Oxford University Press, 2010.

MLA aipamena

Liz, và John Soars. American Headway: Workbook 5. New York: Oxford University Press, 2010.