Horn, S. (2019). Someday is not a day in the week: 10 hacks to make the rest of your life the best of your life (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHorn, Sam. Someday Is Not a Day in the Week: 10 Hacks to Make the Rest of Your Life the Best of Your Life. First edition. New York: St. Martin's Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHorn, Sam. Someday Is Not a Day in the Week: 10 Hacks to Make the Rest of Your Life the Best of Your Life. First edition. St. Martin's Press, 2019.
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