@misc{_Rubricella,
 howpublished={online},
 language={lat},
 type={czasopismo starodruczne},
 title={Rubricella Officij Divini Diæcesis Posnaniensis Juxta Rubricas Gener. Breviarij & Missalis Romani, ac Decreta Sacr. Rit. Congreg. pro Anno Domini 1733},
}