Barker-Ruchti, N., Hofmann, A., Lindgren, E. C., Shelton, C., Sinning, S. Julkaistu 2013 “...educational training...”
Barker-Ruchti, N., Lindgren, E.-C., Hofmann, A., Sinning, S., Shelton, C. Julkaisussa Sports Coaching Review (2015) “...educational training...”
Lange, H., Sinning, S. Julkaistu 2012 “...educational training...”