Malik, M. B. (1977). The phosphate supply pattern of some Philippine soils with high and low phosphorus contents [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationMalik, Muhammad Bashir. The Phosphate Supply Pattern of Some Philippine Soils with High and Low Phosphorus Contents [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationMalik, Muhammad Bashir. The Phosphate Supply Pattern of Some Philippine Soils with High and Low Phosphorus Contents [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.