Não informado. (1980). Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Research Quarterly for Exercise and Sport. Washington: American Alliance for Health, Physical Education, Recreation and Dance, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Research Quarterly for Exercise and Sport. American Alliance for Health, Physical Education, Recreation and Dance, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.