Dyfyniad APA

Brown, H. D. (2007). Principles of language learning and teaching (5th ed.). Pearson Longman.

Dyfyniad Arddull Chicago

Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. White Plains, NY: Pearson Longman, 2007.

Dyfyniad MLA

Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. Pearson Longman, 2007.

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