Gardner, E. F., & Thompson, G. G. 1. (1956). Social relations and morale in small groups. Appleton-Century-Crofts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGardner, Eric F., और George Greene 1914 Thompson. Social Relations and Morale in Small Groups. New York: Appleton-Century-Crofts, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGardner, Eric F., और George Greene 1914 Thompson. Social Relations and Morale in Small Groups. Appleton-Century-Crofts, 1956.
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