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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.