Nartea, R. N. (1977). Potassium supplying capacity of some coconut soils in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationNartea, Roberto Negranza. Potassium Supplying Capacity of Some Coconut Soils in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationNartea, Roberto Negranza. Potassium Supplying Capacity of Some Coconut Soils in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.