Howell, W. C. (1976). Essentials of industrial and organizational psychology. Dorsey Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowell, William C. Essentials of Industrial and Organizational Psychology. Homewood, Illinois: Dorsey Press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHowell, William C. Essentials of Industrial and Organizational Psychology. Dorsey Press, 1976.
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