Style de citation APA (7e éd.)
Soars, J., & Soars, L. (1999). Headway. Teacher's Book. Pre-Intermediate. The University Press.
Style de citation Chicago (17e éd.)
Soars, John, et Liz Soars. Headway. Teacher's Book. Pre-Intermediate. Oxford: The University Press, 1999.
Style de citation MLA (9e éd.)
Soars, John, et Liz Soars. Headway. Teacher's Book. Pre-Intermediate. The University Press, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.