@misc{_Copyright_cop.,
 address={ne},
 address={Utrecht},
 howpublished={online},
 year={cop. 2012.},
 publisher={Berkman : Eifl},
 language={eng},
 type={a - dokument piśmienniczy (druk)},
 title={Copyright for librarians : the essential handbook / Berkman Center for Internet and Society.},
}