Hudley, C. (2008). You did that on purpose: Understanding and changing children's aggression. Yale University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hudley, Cynthia. You Did That on Purpose: Understanding and Changing Children's Aggression. New Haven: Yale University Press, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hudley, Cynthia. You Did That on Purpose: Understanding and Changing Children's Aggression. Yale University Press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.