(2018). The 5 AM club: Own your morning, elevate your life. HarperCollins Publishers Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe 5 AM Club: Own Your Morning, Elevate Your Life. Toronto, Ontario, Canada: HarperCollins Publishers Ltd, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe 5 AM Club: Own Your Morning, Elevate Your Life. HarperCollins Publishers Ltd, 2018.
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