SINGH P N. (1992). DEVELOPING AND MANAGING HUMAN RESOURCES SYSTEMS TECHNIQUES PRACTICAL EXPERIENCES. SUCHANDRA PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH P N. DEVELOPING AND MANAGING HUMAN RESOURCES SYSTEMS TECHNIQUES PRACTICAL EXPERIENCES. MUMBAI: SUCHANDRA PUBLICATIONS, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH P N. DEVELOPING AND MANAGING HUMAN RESOURCES SYSTEMS TECHNIQUES PRACTICAL EXPERIENCES. SUCHANDRA PUBLICATIONS, 1992.
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