Montecillo, L. A. (1975). Effects of potassium on the growth, yield and on the nutrient cation relationship in rice grown on calcereous soils [microform]. Photoduplication Services,University of the Philippines Library.
Chicago-referens (17:e uppl.)Montecillo, Lupo A. Effects of Potassium on the Growth, Yield and on the Nutrient Cation Relationship in Rice Grown on Calcereous Soils [microform]. Quezon City: Photoduplication Services,University of the Philippines Library, 1975.
MLA-referens (9:e uppl.)Montecillo, Lupo A. Effects of Potassium on the Growth, Yield and on the Nutrient Cation Relationship in Rice Grown on Calcereous Soils [microform]. Photoduplication Services,University of the Philippines Library, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.