Danielson, C. (2019). Which one doesn't belong?: Playing with shapes (First trade edition.). Charlesbridge.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Danielson, Christopher. Which One Doesn't Belong?: Playing with Shapes. First trade edition. Watertown, MA: Charlesbridge, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Danielson, Christopher. Which One Doesn't Belong?: Playing with Shapes. First trade edition. Charlesbridge, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.