Não informado. (2001). Ethical Theory and Moral Practice. Kluwer Academic Publishers.
Chicago-referens (17:e uppl.)Não informado. Ethical Theory and Moral Practice. Dordrecht, Holanda: Kluwer Academic Publishers, 2001.
MLA-referens (8:e uppl.)Não informado. Ethical Theory and Moral Practice. Kluwer Academic Publishers, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.