Dyfyniad APA
William, o. A., & Teske, R. J. (2009). On the virtues: Part one of On the virtues and vices. Marquette University Press.
Dyfyniad Arddull Chicago
William, of Auvergne, and Roland J. Teske. On the Virtues: Part One of On the Virtues and Vices. Milwaukee, Wis.: Marquette University Press, 2009.
Dyfyniad MLA
William, of Auvergne, and Roland J. Teske. On the Virtues: Part One of On the Virtues and Vices. Marquette University Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.