Cita APA

Soars, L., & Soars, J. (2001). American headway: Student book 1. Oxford: Oxford Univ. Press.

Chicago Style Citation

Soars, Liz, i John Soars. American Headway: Student Book 1. Oxford: Oxford Univ. Press, 2001.

Cita MLA

Soars, Liz, i John Soars. American Headway: Student Book 1. Oxford: Oxford Univ. Press, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.