@Article{497519,
     author = "Krystyna Żelazna, Iwona Kowalczuk",
     title = "Tourism Market : Innovative Forms of Advertising",
     year =  2014,
     volume =  ,
     number =  4 (28),
     journal =  Ekonomiczne Problemy Turystyki,
     pages =  s. 189-202,
    }