Jacobsson, P. (1961). The market economy in the world of today. American Philosophical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJacobsson, Per. The Market Economy in the World of Today. Philadelphia: American Philosophical Society, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJacobsson, Per. The Market Economy in the World of Today. American Philosophical Society, 1961.
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