Lundin, S. C., & Nelson, B. (2010). Ubuntu!: An inspiring story about an African tradition of teamwork and collaboration. Broadway Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLundin, Stephen C., और Bob Nelson. Ubuntu!: An Inspiring Story About an African Tradition of Teamwork and Collaboration. New York: Broadway Books, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLundin, Stephen C., और Bob Nelson. Ubuntu!: An Inspiring Story About an African Tradition of Teamwork and Collaboration. Broadway Books, 2010.
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