@misc{Jackowski_Antoni_Geografia,
 author={Jackowski, Antoni and Bilska, Elżbieta and Kaszowski, Ludwik and Marciniak, Alicja and Matlak, Halina and Sołjan, Izabela},
 howpublished={online},
 title={Geografia pielgrzymek Jana Pawła II.},
 title={The geography of John Paul II's pilgrimages.},
}