Style de citation APA (7e éd.)

Wilson, W., & Barnard, R. (1992). Fifty-Fifty: A basic course in communicative English. Regents/Prentice Hall.

Style de citation Chicago (17e éd.)

Wilson, Warren, et Roger Barnard. Fifty-Fifty: A Basic Course in Communicative English. Englewood Cliffs, New Jersey: Regents/Prentice Hall, 1992.

Style de citation MLA (9e éd.)

Wilson, Warren, et Roger Barnard. Fifty-Fifty: A Basic Course in Communicative English. Regents/Prentice Hall, 1992.