Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.