APA (7th ed.) Citation

Colis, O. L. (1977). Programmed instruction in farmers cooperative [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Colis, Oscar Loyola. Programmed Instruction in Farmers Cooperative [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Colis, Oscar Loyola. Programmed Instruction in Farmers Cooperative [microform]. Photoduplication Service. University of the Philippines Library, 1977.