Cita APA (7th ed.)

Soars, L., & Soars, J. (1996). New headway english course: Intermediate student's book. Oxford University Press.

Cita Chicago (17th ed.)

Soars, Liz, i John Soars. New Headway English Course: Intermediate Student's Book. Oxford: Oxford University Press, 1996.

Cita MLA (9th ed.)

Soars, Liz, i John Soars. New Headway English Course: Intermediate Student's Book. Oxford University Press, 1996.