APA (7e ed.) Bronvermelding

Nayga, R. C. (1977). Farmer development programs of selected agencies in the Philppines [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Nayga, Rodolfo C. Farmer Development Programs of Selected Agencies in the Philppines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Nayga, Rodolfo C. Farmer Development Programs of Selected Agencies in the Philppines [microform]. Photoduplication Service. University of the Philippines Library, 1977.