Food and Agriculture Organization of the United Nations. Economics Division & Narain, R. D. (1955). Methods of collecting current agricultural statistics. Food and Agriculture Organization of the United Natinos.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Food and Agriculture Organization of the United Nations. Economics Division و R D. Narain. Methods of Collecting Current Agricultural Statistics. Rome: Food and Agriculture Organization of the United Natinos, 1955.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Food and Agriculture Organization of the United Nations. Economics Division و R D. Narain. Methods of Collecting Current Agricultural Statistics. Food and Agriculture Organization of the United Natinos, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.