Nayga, R. C. (1977). The relationship of certin aspects of the Co-Ag program to the number of graduates engaged in farming [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Nayga, Rodolfo C. The Relationship of Certin Aspects of the Co-Ag Program to the Number of Graduates Engaged in Farming [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-referens (9:e uppl.)Nayga, Rodolfo C. The Relationship of Certin Aspects of the Co-Ag Program to the Number of Graduates Engaged in Farming [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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