Não informado. (1971). Food and Nutrition. Food and Nutrition Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Food and Nutrition. Washington: Food and Nutrition Service, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Food and Nutrition. Food and Nutrition Service, 1971.
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