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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gurstelle, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gurstelle, 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.