Sheinkin, S. (2019). Undefeated: Jim Thorpe and the Carlisle Indian School football team (First Square Fish edition.). Square Fish.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sheinkin, Steve. Undefeated: Jim Thorpe and the Carlisle Indian School Football Team. First Square Fish edition. New York: Square Fish, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sheinkin, Steve. Undefeated: Jim Thorpe and the Carlisle Indian School Football Team. First Square Fish edition. Square Fish, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.