Crum, T. F. (2006). Three deep breaths: Finding power and purpose in a stressed-out world. Berrett-Koehler Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrum, Thomas F. Three Deep Breaths: Finding Power and Purpose in a Stressed-out World. San Francisco, Calif.: Berrett-Koehler Publishers, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrum, Thomas F. Three Deep Breaths: Finding Power and Purpose in a Stressed-out World. Berrett-Koehler Publishers, 2006.
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