ATHLETE BURNOUT QUESTIONNAIRE MANUAL
Raedeke, T. D. & Smith, A. L. (2009). The Athlete Burnout Questionnaire Manual. Morgantown, WV: Fitness Information Technology
SPORT FRIENDSHIP QUALITY SCALE
Weiss, M. R., & Smith, A. L. (1999). Quality of youth sport friendships: measurement development and validation. Journal of Sport & Exercise Psychology, 21(2), 145-166.
SOFTWARE