@misc{Baptista_de_Salis._Sykstus_IV_papież_(1414–1484)_Summa,
 author={Baptista de Salis., Sykstus IV papież (1414–1484)},
 howpublished={online},
 publisher={Paganinus de Paganinis},
 language={lat},
 type={inkunabuł},
 title={Summa casuum conscientiae; Sixtus IV papa: Bulla (Etsi dominici gregis...)},
}