S. M. Burke, L. M. Vanderloo, A. Gaston, E. S. Pearson, y P. Tucker, «An Examination of Self-Reported Physical Activity and Physical Activity Self-Efficacy Among Children with Obesity: Findings from the Children’s Health and Activity Modification Program (C.H.A.M.P.) Pilot Study (Análisis de la actividad física autoreportad», Retos, vol. 28, pp. 212–218, jul. 2015.