Oberteuffer, D., & Ulrich, C. (1970). Physical education: A textbook of principles for professional students (4th ed.). Harper & Row.
Cita Chicago (17th ed.)Oberteuffer, Delbert, i Celeste Ulrich. Physical Education: A Textbook of Principles for Professional Students. 4th ed. New York: Harper & Row, 1970.
Cita MLA (8th ed.)Oberteuffer, Delbert, i Celeste Ulrich. Physical Education: A Textbook of Principles for Professional Students. 4th ed. Harper & Row, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.