Thiroux, J. P. (2001). Ethics: Theory and practice (7th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Thiroux, Jacques P. Ethics: Theory and Practice. 7th ed. Upper Saddle River, N.J: Prentice Hall, 2001.
Lua MLA (9ú heag.)Thiroux, Jacques P. Ethics: Theory and Practice. 7th ed. Prentice Hall, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.