Nelson, J. L. (1977). Values, rights, and the morality: Do they conflict? Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Nelson, Jack L. Values, Rights, and the Morality: Do They Conflict? Prentice Hall, 1977.
Lua MLA (9ú heag.)Nelson, Jack L. Values, Rights, and the Morality: Do They Conflict? Prentice Hall, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.