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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Food and Agriculture Organization of the United Nations. Economics Division και R D. Narain. Methods of Collecting Current Agricultural Statistics. Rome: Food and Agriculture Organization of the United Natinos, 1955.
Παραπομπή σε μορφή MLA (9th εκδ.)Food and Agriculture Organization of the United Nations. Economics Division και R D. Narain. Methods of Collecting Current Agricultural Statistics. Food and Agriculture Organization of the United Natinos, 1955.
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