Forder, J. (2019). Two lectures by Friedman: One famous, one good. Fabrizio Serra editore.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रForder, J. Two Lectures by Friedman: One Famous, One Good. Fabrizio Serra editore, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रForder, J. Two Lectures by Friedman: One Famous, One Good. Fabrizio Serra editore, 2019.
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