Kędzia, P. (2018). Traditions of social prevention in the activities of the Polish sports organizations. Selected aspects. Kazimierz Wielki University.
Chicago-referens (17:e uppl.)Kędzia, Piotr. Traditions of Social Prevention in the Activities of the Polish Sports Organizations. Selected Aspects. Kazimierz Wielki University, 2018.
MLA-referens (9:e uppl.)Kędzia, Piotr. Traditions of Social Prevention in the Activities of the Polish Sports Organizations. Selected Aspects. Kazimierz Wielki University, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.