Phelps, E. S. (1997). Renewing work: How to restore participation and self-support to free enterprise. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhelps, Edmund S. Renewing Work: How to Restore Participation and Self-support to Free Enterprise. Cambridge, Mass: Harvard University Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhelps, Edmund S. Renewing Work: How to Restore Participation and Self-support to Free Enterprise. Harvard University Press, 1997.
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