Zaide, G. F., & Zaide, S. M. (1987). Philippine history (Corrected ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Zaide, Gregorio F., agus Sonia M. Zaide. Philippine History. Corrected ed. Manila: National Book Store, 1987.
Lua MLA (9ú heag.)Zaide, Gregorio F., agus Sonia M. Zaide. Philippine History. Corrected ed. National Book Store, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.