Dyfyniad APA

BROWN, H. D. (2000). Principles of language and teaching.-- ed.4. Addison Wesley Longman.

Dyfyniad Arddull Chicago

BROWN, H. Douglas. Principles of Language and Teaching.-- Ed.4. New York: Addison Wesley Longman, 2000.

Dyfyniad MLA

BROWN, H. Douglas. Principles of Language and Teaching.-- Ed.4. Addison Wesley Longman, 2000.

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