Levi, M. D. (1985). Thinking economically: How economic principles can contribute to clear thinking. New York : Basic Books Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevi, Maurice D. Thinking Economically: How Economic Principles Can Contribute to Clear Thinking. New York : Basic Books Pub., 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLevi, Maurice D. Thinking Economically: How Economic Principles Can Contribute to Clear Thinking. New York : Basic Books Pub., 1985.
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