Garcia, C. V. (1974). Studies on the behavior of nitrogen absorbed at different stages of growth of the rice plant (Oryza sativa L.) in relation to grain production [microform]. Photoduplication Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Garcia, Consolacion Villapando. Studies on the Behavior of Nitrogen Absorbed at Different Stages of Growth of the Rice Plant (Oryza Sativa L.) in Relation to Grain Production [microform]. Quezon City: Photoduplication Service, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Garcia, Consolacion Villapando. Studies on the Behavior of Nitrogen Absorbed at Different Stages of Growth of the Rice Plant (Oryza Sativa L.) in Relation to Grain Production [microform]. Photoduplication Service, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.