Population Center Foundation. Population Information Division. (1981). Philippine population literature in periodicals 1975-1980-: An annotated bibliography. Population Information Division, Population Center Foundation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Population Center Foundation. Population Information Division. Philippine Population Literature in Periodicals 1975-1980-: An Annotated Bibliography. Metro Manila: Population Information Division, Population Center Foundation, 1981.
Παραπομπή σε μορφή MLA (9th εκδ.)Population Center Foundation. Population Information Division. Philippine Population Literature in Periodicals 1975-1980-: An Annotated Bibliography. Population Information Division, Population Center Foundation, 1981.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.