Herrenkohl, R. C. (2007). Becoming a team achieving a goal Roy C.Herrenkohl. Thomson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHerrenkohl, Roy C. Becoming a Team Achieving a Goal Roy C.Herrenkohl. Thomson, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHerrenkohl, Roy C. Becoming a Team Achieving a Goal Roy C.Herrenkohl. Thomson, 2007.
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