Dyfyniad APA

Leech , G. ;. S.. (2012). Communicative Grammar Of English (3rd. ed.). Pearson Eduication.

Dyfyniad Arddull Chicago

Leech , Geaffrey ; Svartivk. Communicative Grammar Of English. 3rd. ed. New Delhi: Pearson Eduication, 2012.

Dyfyniad MLA

Leech , Geaffrey ; Svartivk. Communicative Grammar Of English. 3rd. ed. Pearson Eduication, 2012.

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