Copleston, F. (1962). A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. Image Books.
Lua i Stíl Chicago (17ú heag.)Copleston, Frederick. A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. New York, Estados Unidos: Image Books, 1962.
Lua MLA (9ú heag.)Copleston, Frederick. A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. Image Books, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.