Style de citation APA

(2002). Headway: Elementary & Pre- Intermediate. New York: Mc Graw-Hill.

Style de citation Chicago

Headway: Elementary & Pre- Intermediate. New York: Mc Graw-Hill, 2002.

Style de citation MLA

Headway: Elementary & Pre- Intermediate. New York: Mc Graw-Hill, 2002.

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