Irvine, R., & Tuthill, M. (2023). Overcoming impossible: Learn to lead, build a team, and catapult your business to success. HarperCollins Leadership, an imprint of HarperCollins Focus LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIrvine, Robert, और Matt Tuthill. Overcoming Impossible: Learn to Lead, Build a Team, and Catapult Your Business to Success. New York: HarperCollins Leadership, an imprint of HarperCollins Focus LLC, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIrvine, Robert, और Matt Tuthill. Overcoming Impossible: Learn to Lead, Build a Team, and Catapult Your Business to Success. HarperCollins Leadership, an imprint of HarperCollins Focus LLC, 2023.
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