Chess, W. A. (1988). Human behavior and the social environment a social systems model. Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChess, Wayne A. Human Behavior and the Social Environment a Social Systems Model. Allyn and Bacon, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChess, Wayne A. Human Behavior and the Social Environment a Social Systems Model. Allyn and Bacon, 1988.
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