Não informado. (1957). Home Economics Research Reports. U.S. Department of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Home Economics Research Reports. Washington: U.S. Department of Agriculture, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Home Economics Research Reports. U.S. Department of Agriculture, 1957.
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