Hanscom, A. J., & Mitchell, R. (2016). Balanced and barefoot: How unrestricted outdoor play makes for strong, confident, and capable children (Unabridged.). Tantor Media.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hanscom, Angela J., و Rebecca Mitchell. Balanced and Barefoot: How Unrestricted Outdoor Play Makes for Strong, Confident, and Capable Children. Unabridged. Old Saybrook: Tantor Media, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hanscom, Angela J., و Rebecca Mitchell. Balanced and Barefoot: How Unrestricted Outdoor Play Makes for Strong, Confident, and Capable Children. Unabridged. Tantor Media, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.