@misc{Hugo_Grotius_(1583-1645)._De,
 author={Hugo, Grotius (1583-1645).},
 howpublished={online},
 publisher={Ernst Claude Bailliar},
 language={lat},
 title={De veritate religionis Christianae.},
 type={starodruk},
 keywords={Chrześcijaństwo - historia - do 17 w.},
}