APA (7e ed.) Bronvermelding

Cayao, M. A. (1975). The extent of forest conservation performed by the Bureau of Forestry and its effects on the people [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Cayao, Marcelina A. The Extent of Forest Conservation Performed by the Bureau of Forestry and Its Effects on the People [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA (9e ed.) Bronvermelding

Cayao, Marcelina A. The Extent of Forest Conservation Performed by the Bureau of Forestry and Its Effects on the People [microform]. Photoduplication Service, University of the Philippines Library, 1975.