Cita APA

Liz, & Soars, J. (2009). American headway: Student book 4. New York: Oxford University Press.

Chicago Style Citation

Liz, i John Soars. American Headway: Student Book 4. New York: Oxford University Press, 2009.

Cita MLA

Liz, i John Soars. American Headway: Student Book 4. New York: Oxford University Press, 2009.