Christensen, E. O. (1959). The history of Western art. New American Library.
Lua i Stíl Chicago (17ú heag.)Christensen, Erwin O. The History of Western Art. New York: New American Library, 1959.
Lua MLA (8ú heag.)Christensen, Erwin O. The History of Western Art. New American Library, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.