@misc{Liutprandus_Cremonensis_(920–972)_Liudprandi,
 author={Liutprandus Cremonensis (920–972)},
 howpublished={online},
 publisher={Impensis Bibiopolii Hahniani},
 language={lat},
 type={źródła historyczne},
 title={Liudprandi Episcopi Cremonensis Opera omnia},
 keywords={Europa historia},
}