Hocking, A. (1973). Oppenheimer and son: Anthony Hocking. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hocking, Anthony. Oppenheimer and Son: Anthony Hocking. New York [u.a.]: McGraw-Hill, 1973.
Lua MLA (8ú heag.)Hocking, Anthony. Oppenheimer and Son: Anthony Hocking. McGraw-Hill, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.