APA (7th ed.) Zitazioa
Dulles, J. W. F. (2002). Sobral Pinto, "the conscience of Brazil": Leading the attack against Vargas (1930-1945). University of Texas Press.
Chicago Style (17th ed.) Zitazioa
Dulles, John W. F. Sobral Pinto, "the Conscience of Brazil": Leading the Attack Against Vargas (1930-1945). Austin: University of Texas Press, 2002.
MLA (9th ed.) Zitazioa
Dulles, John W. F. Sobral Pinto, "the Conscience of Brazil": Leading the Attack Against Vargas (1930-1945). University of Texas Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.