Del Carmen, L. (1977). Factors that influence the persistent and non-persistent use of the intra-uterine contraceptive device and the oral pills among low income families [microform]. Photoduplication Service. University of the Philippines Library.
Cita Chicago Style (17a ed.)Del Carmen, Luzviminda. Factors That Influence the Persistent and Non-persistent Use of the Intra-uterine Contraceptive Device and the Oral Pills Among Low Income Families [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cita MLA (9a ed.)Del Carmen, Luzviminda. Factors That Influence the Persistent and Non-persistent Use of the Intra-uterine Contraceptive Device and the Oral Pills Among Low Income Families [microform]. Photoduplication Service. University of the Philippines Library, 1977.