Style de citation APA (7e éd.)

Soars J. John & Soars L. Liz. (2001). New Headway English Course. Pre-Intermediate: Student's Book (7-th ed.). New York, Oxford University Press, 2001.

Style de citation Chicago (17e éd.)

Soars J. John et Soars L. Liz. New Headway English Course. Pre-Intermediate: Student's Book. 7-th ed. New York, Oxford University Press, 2001, 2001.

Style de citation MLA (9e éd.)

Soars J. John et Soars L. Liz. New Headway English Course. Pre-Intermediate: Student's Book. 7-th ed. New York, Oxford University Press, 2001, 2001.