Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.