@misc{Lafargue_Paul_(1842–1911)_Praca_1907,
 author={Lafargue, Paul (1842–1911)},
 copyright={Public Domain},
 address={Warszawa},
 howpublished={online},
 year={1907},
 publisher={Nakładem Księgarni Naukowej},
 publisher={(Czcionkami Drukarni Naukowej)},
 language={pol},
 type={Text},
 title={Praca umysłowa wobec maszyny},
 URL={http://rcin.org.pl/ifis/Content/29818/PDF/WA004_24595_U8171_Lafargue-Praca-umysl_o.pdf},
 keywords={political economy of capitalism (19 c.)},
}