Nevins, A. (1959). John D. Rockefeller: A one-volume abridgement. Scribner.
Lua i Stíl Chicago (17ú heag.)Nevins, Allan. John D. Rockefeller: A One-volume Abridgement. New York: Scribner, 1959.
Lua MLA (9ú heag.)Nevins, Allan. John D. Rockefeller: A One-volume Abridgement. Scribner, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.