APA Citatie

Soars, L., Soars, J., & Wheeldon, S. (2009). Ameriacan Headway 1: Workbook (2nd ed.). New York: Oxford University Press.

Chicago Style citaat

Soars, Liz, John Soars, en Sylvia Wheeldon. Ameriacan Headway 1: Workbook. 2nd ed. New York: Oxford University Press, 2009.

MLA citatie

Soars, Liz, John Soars, en Sylvia Wheeldon. Ameriacan Headway 1: Workbook. 2nd ed. New York: Oxford University Press, 2009.