Holiday, R. (2014). The obstacle is the way: The timeless art of turning trials into triumph. Portfolio/Penguin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoliday, Ryan. The Obstacle Is the Way: The Timeless Art of Turning Trials into Triumph. New York, New York: Portfolio/Penguin, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoliday, Ryan. The Obstacle Is the Way: The Timeless Art of Turning Trials into Triumph. Portfolio/Penguin, 2014.
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