López de Subijana, C., Ramos, J., Harruson, C. K., Lupo, C. Julkaisussa Sport in Society: Cultures, Commerce, Media, Politics (2022)
Radmann, A., Karlén, S. Julkaisussa Sport in Society: Cultures, Commerce, Media, Politics (2022)
de Backer, M., Boen, F., de Cuyper, B., Høigaard, R., vande Broek, G. Julkaisussa Scandinavian Journal of Medicine & Science in Sports (2015)
Yang, S. X., Jowett, S., Chan, K. C. Julkaisussa Scandinavian Journal of Medicine & Science in Sports (2015)
Rees, T., Hardy, L., Freeman, P. Julkaisussa Journal of Sports Sciences (2007)