Manning, G., & Curtis, K. (1988). Human behavior: Why people do what they do. South-Western.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManning, George, और Kent Curtis. Human Behavior: Why People Do What They Do. Cincinnati: South-Western, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रManning, George, और Kent Curtis. Human Behavior: Why People Do What They Do. South-Western, 1988.
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