Collins, J. C., & Hansen, M. T. (2011). Great by choice: Uncertainty, chaos, and luck : why some thrive despite them all. HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins, James C., और Morten T. Hansen. Great by Choice: Uncertainty, Chaos, and Luck : Why Some Thrive Despite Them All. New York, NY: HarperCollins Publishers, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollins, James C., और Morten T. Hansen. Great by Choice: Uncertainty, Chaos, and Luck : Why Some Thrive Despite Them All. HarperCollins Publishers, 2011.
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