APA (7th ed.) Zitazioa

Leech, G., & Svartvik, J. (2002). A communicative grammar of English (3rd ed.). Pearson.

Chicago Style (17th ed.) Zitazioa

Leech, Geoffrey, eta Jan Svartvik. A Communicative Grammar of English. 3rd ed. London: Pearson, 2002.

MLA (9th ed.) Zitazioa

Leech, Geoffrey, eta Jan Svartvik. A Communicative Grammar of English. 3rd ed. Pearson, 2002.