@misc{Skarga_Piotr_(1536-1612)_Synod,
 author={Skarga, Piotr (1536-1612)},
 address={Kraków},
 howpublished={online},
 publisher={Piotrkowczyk, Andrzej (15..-1620). Druk},
 language={pol},
 type={stary druk},
 title={Synod Brzeski},
}