Cita APA (7a ed.)

Leech, G. N., & Svartvik, J. (1996). A Communicative Grammar of English (2nd. ed.). Longman.

Cita Chicago Style (17a ed.)

Leech, Geoffrey N., y Jan Svartvik. A Communicative Grammar of English. 2nd. ed. London: Longman, 1996.

Cita MLA (8a ed.)

Leech, Geoffrey N., y Jan Svartvik. A Communicative Grammar of English. 2nd. ed. Longman, 1996.