Heller T. The Death of Amateurism in United States Collegiate Athletics. V: Kraljić S, Mensah CM, uredniki. Sports and Law: Finding a Balance Between the Game and the Rules [Internet]. Univerzitetna založba Univerze v Mariboru; 2026 [citirano 21. julij 2026]. str. 139-66. Dostopno na: https://press.um.si/index.php/ump/catalog/book/1141/chapter/1362