Ellman, M. (1973). Planning problems in the USSR, the contributions of mathematical economics to their solution: 1960-1971. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllman, Michael. Planning Problems in the USSR, the Contributions of Mathematical Economics to Their Solution: 1960-1971. Cambridge University Press, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEllman, Michael. Planning Problems in the USSR, the Contributions of Mathematical Economics to Their Solution: 1960-1971. Cambridge University Press, 1973.
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