Style de citation APA (7e éd.)
Soars, J., & Soars, L. (1994). Headway. Teacher's Book: Upper-Intermediate. Includes Test Booklet (8.impression.). Oxford University Press.
Style de citation Chicago (17e éd.)
Soars, John, et Liz Soars. Headway. Teacher's Book: Upper-Intermediate. Includes Test Booklet. 8.impression. Oxford: Oxford University Press, 1994.
Style de citation MLA (9e éd.)
Soars, John, et Liz Soars. Headway. Teacher's Book: Upper-Intermediate. Includes Test Booklet. 8.impression. Oxford University Press, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.