Alexander, R. J. (1964). The Venezuelan Democratic Revolution: A profile of the regime of Romolu Betancourt. Rutgers University Press.
Lua i Stíl Chicago (17ú heag.)Alexander, Robert Jackson. The Venezuelan Democratic Revolution: A Profile of the Regime of Romolu Betancourt. New Brunswick, N.J: Rutgers University Press, 1964.
Lua MLA (9ú heag.)Alexander, Robert Jackson. The Venezuelan Democratic Revolution: A Profile of the Regime of Romolu Betancourt. Rutgers University Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.