Cita APA (7th ed.)

(1975). The Philippines: A brief historical and factual survey [microform]. Photoduplication Service,University of the Philippines.

Cita Chicago (17th ed.)

The Philippines: A Brief Historical and Factual Survey [microform]. Quezon City: Photoduplication Service,University of the Philippines, 1975.

Cita MLA (9th ed.)

The Philippines: A Brief Historical and Factual Survey [microform]. Photoduplication Service,University of the Philippines, 1975.