Harding, T. (2005). This is science: Learning science through songs and stories with The Fair Testers. Network Educational Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harding, Tim. This Is Science: Learning Science Through Songs and Stories with The Fair Testers. Stafford: Network Educational Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Harding, Tim. This Is Science: Learning Science Through Songs and Stories with The Fair Testers. Network Educational Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.