@misc{_Ritvale,
 howpublished={online},
 publisher={Drukarnia Uniwersytetu Jagiellońskiego},
 language={ger},
 language={lat},
 language={pol},
 type={starodruk},
 title={Ritvale Sacramentorum Ac Aliarum Ecclesiæ Cæremoniarum : Ex Rituali juxta decretum Synodi Provinc[ialis] Petricovien[sis] edito, depromptum ad uniformem Ecclesiarum Regni Polon[iæ] & M. Ducatus Lith. usum insuper aliquibus auctum},
}