Brosnahan, T., & LeBuffe, F. P. (1941). Prolegomena to ethics: With A digest of ethics. Fordham university press.
Lua i Stíl Chicago (17ú heag.)Brosnahan, Timothy, agus Francis P. LeBuffe. Prolegomena to Ethics: With A Digest of Ethics. New York: Fordham university press, 1941.
Lua MLA (8ú heag.)Brosnahan, Timothy, agus Francis P. LeBuffe. Prolegomena to Ethics: With A Digest of Ethics. Fordham university press, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.