Levitt, S. D. (2010). Freakonomics: A rogue economist explores the hidden side of everything (Revised and Expanded.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevitt, Steven D. Freakonomics: A Rogue Economist Explores the Hidden Side of Everything. Revised and Expanded. 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevitt, Steven D. Freakonomics: A Rogue Economist Explores the Hidden Side of Everything. Revised and Expanded. 2010.
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