Biennial Dairy & Ice Cream Industries Directory. (1975). Dairy Industries International. United Trade Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBiennial Dairy & Ice Cream Industries Directory. Dairy Industries International. London: United Trade Press, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBiennial Dairy & Ice Cream Industries Directory. Dairy Industries International. United Trade Press, 1975.
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