Dyfyniad APA

Proclus ca. 410-485, Opsomer, J., & Steel, C. G. (2003). On the existence of evils. Cornell University Press.

Dyfyniad Arddull Chicago

Proclus ca. 410-485, Jan Opsomer, and Carlos G. Steel. On the Existence of Evils. Ithaca, N.Y: Cornell University Press, 2003.

Dyfyniad MLA

Proclus ca. 410-485, et al. On the Existence of Evils. Cornell University Press, 2003.

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