Ward, D. S., Saunders, R. P., Pate, R. R., & Bahrke, M. S. (2007). Physical activity interventions in children and adolescents. Champaign, Illinois: Human Kinetics.
استشهاد بنمط شيكاغوWard, Dianne Stanton, Ruth P. Saunders, Russell R. Pate, and Michael S. Bahrke. Physical Activity Interventions in Children and Adolescents. Champaign, Illinois: Human Kinetics, 2007.
MLA استشهادWard, Dianne Stanton, Ruth P. Saunders, Russell R. Pate, and Michael S. Bahrke. Physical Activity Interventions in Children and Adolescents. Champaign, Illinois: Human Kinetics, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.