Cita APA

Soars, J., & Soars, L. (2001). American Headway: Workbook 2. New York: Oxford University Press.

Chicago Style Citation

Soars, John, i Liz Soars. American Headway: Workbook 2. New York: Oxford University Press, 2001.

Cita MLA

Soars, John, i Liz Soars. American Headway: Workbook 2. New York: Oxford University Press, 2001.