Fulghum, R. (1989). All I really need to know I learned in kindergarten: Uncommon thoughts on common things. Villard Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fulghum, Robert. All I Really Need to Know I Learned in Kindergarten: Uncommon Thoughts on Common Things. New York: Villard Books, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fulghum, Robert. All I Really Need to Know I Learned in Kindergarten: Uncommon Thoughts on Common Things. Villard Books, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.