Copleston, F. C. (1953). A history of philosophy. Newman Press.
Lua i Stíl Chicago (17ú heag.)Copleston, Frederick C. A History of Philosophy. Westminster, Md.: Newman Press, 1953.
Lua MLA (8ú heag.)Copleston, Frederick C. A History of Philosophy. Newman Press, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.