[Documents on the rejection of the proposed 1972 Constitution in the plebiscite on January 15, 1973] [microform]. University of the Philippines Library.
Chicago Style aipamena[Documents on the Rejection of the Proposed 1972 Constitution in the Plebiscite on January 15, 1973] [microform]. Quezon City: University of the Philippines Library.
MLA aipamena[Documents on the Rejection of the Proposed 1972 Constitution in the Plebiscite on January 15, 1973] [microform]. University of the Philippines Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.