Style de citation APA (7e éd.)

Murphy, R. (1994). Essential grammar in use (1a. ed.). Cambridge university press.

Style de citation Chicago (17e éd.)

Murphy, Raymond. Essential Grammar in Use. 1a. ed. Madrid: Cambridge university press, 1994.

Style de citation MLA (9e éd.)

Murphy, Raymond. Essential Grammar in Use. 1a. ed. Cambridge university press, 1994.