Rashdall, H. (1913). Ethics. T.C. & E.C. Jack; Dodge Pub. Co.
Lua i Stíl Chicago (17ú heag.)Rashdall, Hastings. Ethics. London & Edinburgh, New York: T.C. & E.C. Jack; Dodge Pub. Co, 1913.
Lua MLA (8ú heag.)Rashdall, Hastings. Ethics. T.C. & E.C. Jack; Dodge Pub. Co, 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.