Bettens, E. D. (1918). Painter and patron. [The Evening Post Job Printing Office, Inc.].
Lua i Stíl Chicago (17ú heag.)Bettens, Edward Detraz. Painter and Patron. New York: [The Evening Post Job Printing Office, Inc.], 1918.
Lua MLA (8ú heag.)Bettens, Edward Detraz. Painter and Patron. [The Evening Post Job Printing Office, Inc.], 1918.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.