@misc{_Ritvale,
 howpublished={online},
 publisher={Drukarnia Uniwersytetu Jagiellońskiego},
 language={pol},
 language={ger},
 language={lat},
 title={Ritvale Sacramentorvm Ac Aliarum Ecclesiæ Cæremoniarum : Ex Decreto Synodi Provinc[ialis] Petricouien[sis] ad vniformem Ecclesiarum Regni Polon[iæ] & M. Ducatus Lith[uaniæ] vsum recens & in breue opusculum editum},
 type={starodruk},
}