Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.