Barcalow, E. (1994). Moral philosophy: Theories and issues. Wadsworth Pub.
Lua i Stíl Chicago (17ú heag.)Barcalow, Emmett. Moral Philosophy: Theories and Issues. Belmont, Calif: Wadsworth Pub, 1994.
Lua MLA (9ú heag.)Barcalow, Emmett. Moral Philosophy: Theories and Issues. Wadsworth Pub, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.