Warbasse, J. P. (1947). Co-operative democracy through voluntary association of the people as consumers (5th ed.). Harper & Brothers Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarbasse, James Peter. Co-operative Democracy Through Voluntary Association of the People as Consumers. 5th ed. New York: Harper & Brothers Publishers, 1947.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWarbasse, James Peter. Co-operative Democracy Through Voluntary Association of the People as Consumers. 5th ed. Harper & Brothers Publishers, 1947.
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