WALKER, J. W. (1979). Career planning practices an AMA survey report. AMA Com.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWALKER, James W. Career Planning Practices an AMA Survey Report. New York: AMA Com, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWALKER, James W. Career Planning Practices an AMA Survey Report. AMA Com, 1979.
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