Dyfyniad APA

CAUT: Canadian Association of University Teachers Bulletin.

Dyfyniad Arddull Chicago

CAUT: Canadian Association of University Teachers Bulletin.

Dyfyniad MLA

CAUT: Canadian Association of University Teachers Bulletin.

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