Dyfyniad APA

(2002). A communicative grammar of English (3rd ed.). Pearson Education Limited.

Dyfyniad Arddull Chicago

A Communicative Grammar of English. 3rd ed. New Delhi: Pearson Education Limited, 2002.

Dyfyniad MLA

A Communicative Grammar of English. 3rd ed. Pearson Education Limited, 2002.

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