Scheckel, L. (2013). Ask a science teacher: 250 answers to questions you've always had about how everyday stuff really works.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Scheckel, Larry. Ask a Science Teacher: 250 Answers to Questions You've Always Had About How Everyday Stuff Really Works. 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Scheckel, Larry. Ask a Science Teacher: 250 Answers to Questions You've Always Had About How Everyday Stuff Really Works. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.