Dutcher, J., Dutcher, J., & Manfull, J. (2018). The wisdom of wolves: Lessons from the Sawtooth pack. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDutcher, Jim, Jamie Dutcher, और James Manfull. The Wisdom of Wolves: Lessons from the Sawtooth Pack. Washington, DC: National Geographic, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDutcher, Jim, et al. The Wisdom of Wolves: Lessons from the Sawtooth Pack. National Geographic, 2018.
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