Evan, W. M. (1976). Organizational theory: Structures, systems, and environments. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEvan, William M. Organizational Theory: Structures, Systems, and Environments. Nueva York: John Wiley & Sons, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEvan, William M. Organizational Theory: Structures, Systems, and Environments. John Wiley & Sons, 1976.
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