Kotler, S. (2023). Gnar country: Growing old, staying rad (First edition.). Harper Wave, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKotler, Steven. Gnar Country: Growing Old, Staying Rad. First edition. New York, NY: Harper Wave, an imprint of HarperCollinsPublishers, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKotler, Steven. Gnar Country: Growing Old, Staying Rad. First edition. Harper Wave, an imprint of HarperCollinsPublishers, 2023.
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