Christian Keidel, Alexander Engelhard / Oktober 2016
LawInSport.com, 14. Oktober 2016, http://www.lawinsport.com/articles/item/how-the-bundesliga-s-new-no-single-buyer-rule-has-increased-the-broadcasting-revenue-for-german-Football
LawInSport.com, 14. Oktober 2016, http://www.lawinsport.com/articles/item/how-the-bundesliga-s-new-no-single-buyer-rule-has-increased-the-broadcasting-revenue-for-german-Football