Cita APA

Soars, L., & Soars, J. (2004). American headway: Student book. Oxford: Oxford Univ. Press.

Chicago Style Citation

Soars, Liz, i John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2004.

Cita MLA

Soars, Liz, i John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2004.