Bunk, B. D. (2021). From football to soccer: The early history of the beautiful game in the United States. University of Illinois Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bunk, Brian D. From Football to Soccer: The Early History of the Beautiful Game in the United States. Urbana: University of Illinois Press, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bunk, Brian D. From Football to Soccer: The Early History of the Beautiful Game in the United States. University of Illinois Press, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.