Constantino, R., & Constantino, L. R. (1978). The Philippines: The continuing past. Foundation for Nationalist Studies.
Lua i Stíl Chicago (17ú heag.)Constantino, Renato, agus Letizia R. Constantino. The Philippines: The Continuing Past. Quezon City: Foundation for Nationalist Studies, 1978.
Lua MLA (9ú heag.)Constantino, Renato, agus Letizia R. Constantino. The Philippines: The Continuing Past. Foundation for Nationalist Studies, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.