Safran, J. (2013). Free spirit: Growing up on the road and off the grid (First edition.). Hyperion.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSafran, Joshua. Free Spirit: Growing Up on the Road and off the Grid. First edition. New York: Hyperion, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSafran, Joshua. Free Spirit: Growing Up on the Road and off the Grid. First edition. Hyperion, 2013.
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