Bein, A. (1972). Arthur Ruppin: The man and his work.
Lua i Stíl Chicago (17ú heag.)Bein, Alex. Arthur Ruppin: The Man and His Work. London, 1972.
Lua MLA (8ú heag.)Bein, Alex. Arthur Ruppin: The Man and His Work. 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.