Dyfyniad APA

University of Texas. Bulletin of the University of Texas. University of Texas.

Dyfyniad Arddull Chicago

University of Texas. Bulletin of the University of Texas. Austin, Tex.: University of Texas.

Dyfyniad MLA

University of Texas. Bulletin of the University of Texas. University of Texas.

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