APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.