Epstein, J. (1982). Ambition: The secret passion. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Epstein, Joseph. Ambition: The Secret Passion. New York: Penguin Books, 1982.
Lua MLA (8ú heag.)Epstein, Joseph. Ambition: The Secret Passion. Penguin Books, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.