Hyatt, M. S. (2019). Free to focus: A total productivity system to achieve more by doing less. Baker Books, a division of Baker Publishing Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHyatt, Michael S. Free to Focus: A Total Productivity System to Achieve More by Doing Less. Grand Rapids, Michigan: Baker Books, a division of Baker Publishing Group, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHyatt, Michael S. Free to Focus: A Total Productivity System to Achieve More by Doing Less. Baker Books, a division of Baker Publishing Group, 2019.
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