Style de citation APA

(1990). Headway: Advanced (Student's book). Oxford: Oxford Univ. Press.

Style de citation Chicago

Headway: Advanced (Student's Book). Oxford: Oxford Univ. Press, 1990.

Style de citation MLA

Headway: Advanced (Student's Book). Oxford: Oxford Univ. Press, 1990.

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