(2003). The right thing to do: Basic readings in moral philosophy. Boston: McGraw-Hill.
Chicago Style aipamenaThe Right Thing to Do: Basic Readings in Moral Philosophy. Boston: McGraw-Hill, 2003.
MLA aipamenaThe Right Thing to Do: Basic Readings in Moral Philosophy. Boston: McGraw-Hill, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.