Nussbaum, M. C. (2001). The fragility of goodness: Luck and ethics in greek tragedy and philosophy (Revised edition. edition.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Nussbaum, Martha Craven. The Fragility of Goodness: Luck and Ethics in Greek Tragedy and Philosophy. Revised edition. edition. New York: Cambridge University Press, 2001.
Lua MLA (9ú heag.)Nussbaum, Martha Craven. The Fragility of Goodness: Luck and Ethics in Greek Tragedy and Philosophy. Revised edition. edition. Cambridge University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.