(1997). Fuentes historicos sobre Colon y America [microform]. University of the Philippines Diliman Library.
Chicago Style aipamenaFuentes Historicos Sobre Colon Y America [microform]. Quezon City: University of the Philippines Diliman Library, 1997.
MLA aipamenaFuentes Historicos Sobre Colon Y America [microform]. University of the Philippines Diliman Library, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.