Mahoney, J. W., Gucciardi, D. F., Mallett, C. J., & Ntoumanis, N. (2014). Adolescent performers’ perspectives on mental toughness and its development: The utility pf the bioecological model. The sport psychologist, 28(3), S. 233-244. doi:10.1123/tsp.2013-0050

Mahoney, John W., Daniel F. Gucciardi, Clifford J. Mallett, and Nikos Ntoumanis. "Adolescent Performers’ Perspectives On Mental Toughness and Its Development: The Utility Pf the Bioecological Model." The Sport Psychologist 28, no. 3 (2014): S. 233-244.

Mahoney, John W., Daniel F. Gucciardi, Clifford J. Mallett, and Nikos Ntoumanis. "Adolescent Performers’ Perspectives On Mental Toughness and Its Development: The Utility Pf the Bioecological Model." The Sport Psychologist 28.3 (2014): S. 233-244.