Weber, B. (2012). I wonder why caterpillars eat so much and other questions about life cycles. Kingfisher : Distributed in the U.S. and Canada by Macmillan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Weber, Belinda. I Wonder Why Caterpillars Eat so Much and Other Questions About Life Cycles. New York: Kingfisher : Distributed in the U.S. and Canada by Macmillan, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Weber, Belinda. I Wonder Why Caterpillars Eat so Much and Other Questions About Life Cycles. Kingfisher : Distributed in the U.S. and Canada by Macmillan, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.