Quested, Eleanor, Ntoumanis, Nikos, Viladrich, Carme, Haug, Ellen, Ommundsen, Yngvar, Van Hoye, Aurelie, Mercé, Juan, Hall, Howard, Zourbanos, Nikos and Duda, Joan L. (2013) Intentions to drop-out of youth soccer: A test of the basic needs theory among European youth from five countries. International Journal of Sport and Exercise Psychology, 11 (4). pp. 395-407.

Viladrich, Carme, Appleton, Paul R., Quested, Eleanor, Duda, Joan L., Alcaraz, Saül, Heuzé, Jean-Philippe, Fabra, Priscila, Samdal, Oddrun, Ommundsen, Yngvar, Hill, Andrew P. ORCID: https://orcid.org/0000-0001-6370-8901, Zourbanos, Nikos and Ntoumanis, Nikos (2013) Measurement invariance of the Behavioural Regulation in Sport Questionnaire when completed by young athletes across five European countries. International Journal of Sport and Exercise Psychology, 11 (4). 384 - 394.

Papaioannou, Athanasios G., Appleton, Paul R., Torregrosa, Miquel, Jowett, Gareth E. ORCID: https://orcid.org/0000-0003-4004-2857, Bosselut, Grégoire, Gonzalez, Lorena, Haug, Ellen, Ertesvaag, Vidar and Zourbanos, Nikos (2013) Moderate-to-vigorous physical activity and personal well-being in European youth soccer players: Invariance of physical activity, global self-esteem and vitality across five countries. International Journal of Sport and Exercise Psychology, 11 (4). pp. 351-364.