Proclus ca. 410-485, Opsomer, J., & Steel, C. G. (2003). On the existence of evils. Cornell University Press.
Lua i Stíl Chicago (17ú heag.)Proclus ca. 410-485, Jan Opsomer, agus Carlos G. Steel. On the Existence of Evils. Ithaca, N.Y: Cornell University Press, 2003.
Lua MLA (9ú heag.)Proclus ca. 410-485, et al. On the Existence of Evils. Cornell University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.