APA-referens (7:e uppl.)

Dulles, J. W. F. (2002). Sobral Pinto, "the conscience of Brazil": Leading the attack against Vargas (1930-1945). University of Texas Press.

Chicago-referens (17:e uppl.)

Dulles, John W. F. Sobral Pinto, "the Conscience of Brazil": Leading the Attack Against Vargas (1930-1945). Austin: University of Texas Press, 2002.

MLA-referens (9:e uppl.)

Dulles, John W. F. Sobral Pinto, "the Conscience of Brazil": Leading the Attack Against Vargas (1930-1945). University of Texas Press, 2002.