BRZEŹNIAK, M. Fan – the prosumer of the sports market on the example of Pogon Szczecin Sport Club supporters. Quality in Sport, [S. l.], v. 4, n. 2, p. 7–17, 2018. DOI: 10.12775/QS.2018.007. Disponível em: https://apcz.umk.pl/QS/article/view/QS.2018.007. Acesso em: 7 dec. 2021.