Style de citation APA

(1997). Headway intermediate: Student's book. Oxford: Oxford Univ. Press.

Style de citation Chicago

Headway Intermediate: Student's Book. Oxford: Oxford Univ. Press, 1997.

Style de citation MLA

Headway Intermediate: Student's Book. Oxford: Oxford Univ. Press, 1997.

Attention : ces citations peuvent ne pas être correctes à 100%.