Hayman, R., Polman, R., Wharton, K., Borkoles, E. Julkaisussa Science of Gymnastics Journal (2020) “...Hayman, R....”
Hayman, R., Polman, R., Borkoles, E., Taylor, J. Julkaisussa Talent Development & Excellence (2013) “...Hayman, R....”
Hayman, R. J., Borkoles, E., Taylor, J. A., Hemmings, B., Polman, R. C. Julkaisussa International Journal of Sports Science and Coaching (2014) “...Hayman, R. J....”
Hayman, R., Polman, R., Taylor, J., Hemmings, B., Borkoles, E. Julkaisussa Talent Development & Excellence (2011) “...Hayman, R....”