[Documents on the rejection of the proposed 1972 Constitution in the plebiscite on January 15, 1973] [microform]. University of the Philippines Library.
芝加哥风格引文[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引文[Documents on the Rejection of the Proposed 1972 Constitution in the Plebiscite on January 15, 1973] [microform]. University of the Philippines Library.
警告：这些引文格式不一定是100％准确.