Herring, H. (2011). Famous firearms of the Old West: From Wild Bill Hickok's Colt revolvers to Geronimo's Winchester : twelve guns that shaped our history (1st TwoDot pbk. ed.). TwoDot.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHerring, Hal. Famous Firearms of the Old West: From Wild Bill Hickok's Colt Revolvers to Geronimo's Winchester : Twelve Guns That Shaped Our History. 1st TwoDot pbk. ed. Guilford, Conn.: TwoDot, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHerring, Hal. Famous Firearms of the Old West: From Wild Bill Hickok's Colt Revolvers to Geronimo's Winchester : Twelve Guns That Shaped Our History. 1st TwoDot pbk. ed. TwoDot, 2011.
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