Population Center Foundation Philippines. University. Library System. (1980). Union catalog of Filipiniana population materials. The Library.
Chicago-Zitierstil (17. Ausg.)Population Center Foundation Philippines. University. Library System. Union Catalog of Filipiniana Population Materials. Quezon City: The Library, 1980.
MLA-Zitierstil (9. Ausg.)Population Center Foundation Philippines. University. Library System. Union Catalog of Filipiniana Population Materials. The Library, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.