Schwager, S. M. (1983). Planning, implementation,and analysis of a program development project in elementary physical education. Columbia University Teachers College.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schwager, Susan Marie. Planning, Implementation,and Analysis of a Program Development Project in Elementary Physical Education. New York: Columbia University Teachers College, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Schwager, Susan Marie. Planning, Implementation,and Analysis of a Program Development Project in Elementary Physical Education. Columbia University Teachers College, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.