APA Citatie

Soars, J., & Soars, L. (1987). Headway - Upper-intermediate: Teacher's book. Oxford: Oxford University Press.

Chicago Style citaat

Soars, John, en Liz Soars. Headway - Upper-intermediate: Teacher's Book. Oxford: Oxford University Press, 1987.

MLA citatie

Soars, John, en Liz Soars. Headway - Upper-intermediate: Teacher's Book. Oxford: Oxford University Press, 1987.

Let op: Deze citaties zijn niet altijd 100% accuraat.