Penid, N. J. (1977). Cataloging practices among Association of Colleges of Agriculture in the Philippines libraries as a basis for a proposed book processing center [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17. basım) AtıfPenid, Norma Juego. Cataloging Practices Among Association of Colleges of Agriculture in the Philippines Libraries as a Basis for a Proposed Book Processing Center [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA (9th ed.) AtıfPenid, Norma Juego. Cataloging Practices Among Association of Colleges of Agriculture in the Philippines Libraries as a Basis for a Proposed Book Processing Center [microform]. Photoduplication Service, University of the Philippines Library, 1977.