Christian Keidel, Alexander Engelhard / Juli 2016
lexisnexis.com, 11. Juli 2016, https://www.lexisnexis.com/uk/lexispsl/personalinjury/document/412012/5K6P-B3P1-DYW7-W524-00000-00/Summer_of_Sport_Neymar__releasing_players_and_injury_compensation_
lexisnexis.com, 11. Juli 2016, https://www.lexisnexis.com/uk/lexispsl/personalinjury/document/412012/5K6P-B3P1-DYW7-W524-00000-00/Summer_of_Sport_Neymar__releasing_players_and_injury_compensation_