Crizaldo, L. V. (1974). Response of soybeans (Glycine max L., Merr.) variety L-114, at Don Severino Agricultural College, Indang, Cavite, to different N-P-K combinations planted on Magallanes clay loam soil [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crizaldo, Leonardo V. Response of Soybeans (Glycine Max L., Merr.) Variety L-114, at Don Severino Agricultural College, Indang, Cavite, to Different N-P-K Combinations Planted on Magallanes Clay Loam Soil [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Crizaldo, Leonardo V. Response of Soybeans (Glycine Max L., Merr.) Variety L-114, at Don Severino Agricultural College, Indang, Cavite, to Different N-P-K Combinations Planted on Magallanes Clay Loam Soil [microform]. Photoduplication Service, University of the Philippines Library, 1974.