Population Center Foundation. Population Information Division. (1981). Philippine population literature in periodicals 1975-1980-: An annotated bibliography. Population Information Division, Population Center Foundation.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)Population Center Foundation. Population Information Division. Philippine Population Literature in Periodicals 1975-1980-: An Annotated Bibliography. Population Information Division, Population Center Foundation, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.