Cita APA

Soars, J., & Soars, L. (2003). American Headway: Workbook 3. New York: Oxford University Press.

Chicago Style Citation

Soars, John, i Liz Soars. American Headway: Workbook 3. New York: Oxford University Press, 2003.

Cita MLA

Soars, John, i Liz Soars. American Headway: Workbook 3. New York: Oxford University Press, 2003.