Dyfyniad APA

American Council on Education. American universities and colleges. Walter de Gruyter [etc.].

Dyfyniad Arddull Chicago

American Council on Education. American Universities and Colleges. New York [etc.]: Walter de Gruyter [etc.].

Dyfyniad MLA

American Council on Education. American Universities and Colleges. Walter de Gruyter [etc.].

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