@misc{_Directorium,
 howpublished={online},
 publisher={Kolegium Jezuickie},
 language={lat},
 title={Directorium Officii Divini pro Anno Domini ... usui PP. Societatis Jesu per Archi Diæcesim Gnesnensem Accommodatum. 1768},
 type={czasopismo starodruczne},
}