Luzentales, B., & Villanueva, M. C. R. (2000). Asia's biggest oldest church and the Philippine's oldest almanac. Philippine Panorama.
Chicago-viite (17. p.)Luzentales, Benny, ja Ma. Christina R. Villanueva. "Asia's Biggest Oldest Church and the Philippine's Oldest Almanac." Philippine Panorama 2000.
MLA-viite (9. p.)Luzentales, Benny, ja Ma. Christina R. Villanueva. "Asia's Biggest Oldest Church and the Philippine's Oldest Almanac." Philippine Panorama, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.