@misc{Jan_z_Oświęcimia_(1443-1527)_Modus,
 author={Jan z Oświęcimia (1443-1527)},
 address={Kraków},
 howpublished={online},
 publisher={Haller, Jan (około 1467-1525)},
 language={lat},
 title={Modus epistolandi egregij viri Joannis Sacrani sacre Theologie doctoris Canonici Cracouieñ},
 type={stary druk},
}