Urquhart, B. (1993). Ralph Bunche: An American life. W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Urquhart, Brian. Ralph Bunche: An American Life. New York: W.W. Norton, 1993.
Lua MLA (8ú heag.)Urquhart, Brian. Ralph Bunche: An American Life. W.W. Norton, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.