Hartmann, T. (2019). The hidden history of guns and the Second Amendment (First edition.). Berrett-Koehler Publishers, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartmann, Thom. The Hidden History of Guns and the Second Amendment. First edition. Oakland, CA: Berrett-Koehler Publishers, Inc., 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHartmann, Thom. The Hidden History of Guns and the Second Amendment. First edition. Berrett-Koehler Publishers, Inc., 2019.
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