Perdew, L., & Rauch, M. (2025). Wacky contraptions: Gadgets that whiz, whoosh, whirl, and twist : with hands-on engineering activities for kids. Nomad Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Perdew, Laura, و Micah Rauch. Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist : With Hands-on Engineering Activities for Kids. White River Junction, VT: Nomad Press, 2025.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Perdew, Laura, و Micah Rauch. Wacky Contraptions: Gadgets That Whiz, Whoosh, Whirl, and Twist : With Hands-on Engineering Activities for Kids. Nomad Press, 2025.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.