Gurstelle, W. (2012). Backyard ballistics: Build potato cannons, paper match rockets, Cincinnati fire kites, tennis ball mortars, and more dynamite devices (2nd ed.). Chicago Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGurstelle, William. Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices. 2nd ed. Chicago, Ill.: Chicago Review Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGurstelle, William. Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices. 2nd ed. Chicago Review Press, 2012.
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