@misc{Thomas_à_Kempis_(1379–1471)_The,
 author={Thomas à Kempis (1379–1471)},
 howpublished={online},
 publisher={J. Duffy},
 language={eng},
 title={The Christian traveller : or a Sure guide to salvation, being a series of devout treatrises / by Thomas a Kempis.},
 keywords={Zbawienie $x Kościół katolicki $x medytacje. Zbawienie $x chrześcijaństwo.},
}