American Society for Training and Development & Craig, R. L. (1996). The ASTD training and development handbook: A guide to huma resource development (Forth edition.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Society for Training and Development और Robert L. Craig. The ASTD Training and Development Handbook: A Guide to Huma Resource Development. Forth edition. New York: McGraw-Hill, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Society for Training and Development और Robert L. Craig. The ASTD Training and Development Handbook: A Guide to Huma Resource Development. Forth edition. McGraw-Hill, 1996.
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