Derthick, M. (1990). Agency under stress: The Social Security Administration in American government. Brookings Institution.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDerthick, Martha. Agency Under Stress: The Social Security Administration in American Government. Washington, D.C: Brookings Institution, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDerthick, Martha. Agency Under Stress: The Social Security Administration in American Government. Brookings Institution, 1990.
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