Dyfyniad APA

Peer Review. Association of American Colleges & Universities.

Dyfyniad Arddull Chicago

Peer Review. Association of American Colleges & Universities.

Dyfyniad MLA

Peer Review. Association of American Colleges & Universities.

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