Voelker, D. K., Gould, D., Reel, J. J. Julkaisussa Psychology of Sport and Exercise (2014)
McCann, S. Julkaisussa The Professional Skater PS Magazine (2012)
Thibert, H., Peterson, K. Julkaisussa The Professional Skater PS Magazine (2006)
Thibert, H., McCann, S. Julkaisussa The Professional Skater PS Magazine (2006)