Safrit, M. J., & Wood, T. M. (1989). Measurement concepts in physical education and exercise science. İllinois: Human Kinetics.
استشهاد بنمط شيكاغوSafrit, Margaret J., and Terry M. Wood. Measurement Concepts in Physical Education and Exercise Science. İllinois: Human Kinetics, 1989.
MLA استشهادSafrit, Margaret J., and Terry M. Wood. Measurement Concepts in Physical Education and Exercise Science. İllinois: Human Kinetics, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.