Lange, O. (1938). On the economic theory of socialism. The University of Minnesota Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLange, O. On the Economic Theory of Socialism. Minneapolis: The University of Minnesota Press, 1938.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLange, O. On the Economic Theory of Socialism. The University of Minnesota Press, 1938.
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