@misc{Petrus_Lombardus_Quartus,
 author={Petrus Lombardus and Isidorus Hispalensis and Aegidius Assisias},
 howpublished={online},
 language={lat},
 title={Quartus liber sententiarum ; Synonyma ; Aurea verba},
 keywords={15 w., teologia, teologia dogmatyczna, patrystyka},
}