@misc{_Directorium,
 howpublished={online},
 language={lat},
 type={czasopismo starodruczne},
 title={Directorium Officii Divini ac Missarum ad Usum Patrum Societatis Jesu Cracoviæ, Crosnæ & Brestæ Degentium Juxta Rubricas Breviarii & Missalis Romani nec non Decreta S. R. C. in Annum Domini ...},
}