WILLIAMS, N. A. (1984). Insurance An Introduction To Personnel Risk Management Numan A. William. Sout-Western Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWILLIAMS, Numan A. Insurance An Introduction To Personnel Risk Management Numan A. William. Sout-Western Pub, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWILLIAMS, Numan A. Insurance An Introduction To Personnel Risk Management Numan A. William. Sout-Western Pub, 1984.
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