Pfeiffer, J. W. (1988). 1988 annual, developing human resources (17th annual.). University Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPfeiffer, J. William. 1988 Annual, Developing Human Resources. 17th annual. San Diego, Calif.: University Associates, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPfeiffer, J. William. 1988 Annual, Developing Human Resources. 17th annual. University Associates, 1988.
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