Phelps, E. (2013). Mass flourishing: How grassroots innovation created jobs, challenge, and change. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhelps, Edmund. Mass Flourishing: How Grassroots Innovation Created Jobs, Challenge, and Change. Princeton, N.J.: Princeton University Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhelps, Edmund. Mass Flourishing: How Grassroots Innovation Created Jobs, Challenge, and Change. Princeton University Press, 2013.
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