@misc{Sejm of the People’s Republic of Poland1964,
author = {Sejm of the People’s Republic of Poland},
title= {Kodeks rodzinny i opiekuńczy (Dz.U. 1964 nr 9 poz. 59)},
year = {1964},
URL = {http://isap.sejm.gov.pl/Download;jsessionid=1649E3CBD169BCDC413516A59442C20B?id=WDU19640090059&type=3  },
}