Turpin, J. A. P. & Llorca, S. (2007). A study about the drop out in organized youth sports competition. Journal of Human Sport & Exercise, 2 (1), 28-34. Zugriff am 18.05.2011 unter http://www.jhse.ua.es/index.php/jhse/article/viewArticle/15
APA-Zitierstil (7. Ausg.)Turpin, J. A. P., & Llorca, S. (2007). A study about the drop out in organized youth sports competition. Journal of Human Sport & Exercise, 2(1), 28-34.
Chicago-Zitierstil (17. Ausg.)Turpin, J. A. P., und S. Llorca. "A Study About the Drop Out in Organized Youth Sports Competition." Journal of Human Sport & Exercise 2, no. 1 (2007): 28-34.
MLA-Zitierstil (9. Ausg.)Turpin, J. A. P., und S. Llorca. "A Study About the Drop Out in Organized Youth Sports Competition." Journal of Human Sport & Exercise, vol. 2, no. 1, 2007, pp. 28-34.