Cita APA

Soars, J. (1991). Headway Pre-intermediate: Student's book. Oxford: Oxford University Press.

Chicago Style Citation

Soars, John. Headway Pre-intermediate: Student's Book. Oxford: Oxford University Press, 1991.

Cita MLA

Soars, John. Headway Pre-intermediate: Student's Book. Oxford: Oxford University Press, 1991.