@Article{585166,
     author = "Joanna Kos-Łabędowicz",
     title = "Use of social media by public transport operators",
     year =  2016,
     volume =  ,
     number =  5 (46),
     journal =  Marketing i Zarządzanie (d. Problemy Zarządzania, Finansów i Marketingu),
     pages =  s. 173-181,
    }