@misc{_Directorium, howpublished={online}, publisher={Typographia Presseriana}, language={lat}, type={czasopismo starodruczne}, title={Directorium Divini Officii ac Missarum Juxta Rubricas Generales Breviarii & Missalis Romani nec non Decreta S. R. C. ad usum Almæ Ecclesiæ Metropolitanæ & Archidiæcesis Gnesnensis Accommodatum pro Anno Domini 1797}, }