Garcia, R. G. (1977). Studies on the tolerance of Pomatiopsis (Oncomelania) Quadrasi (Moellendorff) to varying dissolved oxygen concentration and organic pollution [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationGarcia, Rolando G. Studies on the Tolerance of Pomatiopsis (Oncomelania) Quadrasi (Moellendorff) to Varying Dissolved Oxygen Concentration and Organic Pollution [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationGarcia, Rolando G. Studies on the Tolerance of Pomatiopsis (Oncomelania) Quadrasi (Moellendorff) to Varying Dissolved Oxygen Concentration and Organic Pollution [microform]. Photoduplication Service. University of the Philippines Library, 1977.