Halik, N., & Gunderson, G. B. (2017). 5 day weekend: Freedom to make your life and work rich with purpose (First edition.). Bard Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHalik, Nik, और Garrett B. Gunderson. 5 Day Weekend: Freedom to Make Your Life and Work Rich with Purpose. First edition. Austin, Texas: Bard Press, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHalik, Nik, और Garrett B. Gunderson. 5 Day Weekend: Freedom to Make Your Life and Work Rich with Purpose. First edition. Bard Press, 2017.
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