Dubhashi, P. R. (1970). Principles and philosophy of co-operation. Vaikunth Mehta National Institute of Co-operative Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDubhashi, P. R. Principles and Philosophy of Co-operation. [Poona]: Vaikunth Mehta National Institute of Co-operative Management, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDubhashi, P. R. Principles and Philosophy of Co-operation. Vaikunth Mehta National Institute of Co-operative Management, 1970.
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