?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Hajd%C3%BA+J%C3%B3zsef&rft.aulast=Hajd%C3%BA&rft.aufirst=J%C3%B3zsef&rft.date=2012&rft.title=Unemployment+and+self-employment&rft.isbn=978+963+306+154+1&rft.genre=bookitem