Não informado. (1969). Food Science and Technology Abstracts. International Food Information Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Food Science and Technology Abstracts. Sheffield, Inglaterra: International Food Information Service, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Food Science and Technology Abstracts. International Food Information Service, 1969.
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