Style de citation APA (7e éd.)

Langan, J. (1988). English skills with readings (3rd ed.). McGraw hill.

Style de citation Chicago (17e éd.)

Langan, John. English Skills with Readings. 3rd ed. New York: McGraw hill, 1988.

Style de citation MLA (9e éd.)

Langan, John. English Skills with Readings. 3rd ed. McGraw hill, 1988.