@misc{Luksemburg_Róża_(1871–1919)_Einführung_1925,
 author={Luksemburg, Róża (1871–1919)},
 editor={Levi, Paul (1883–1930). Red.},
 copyright={Public Domain},
 address={Berlin},
 address={(Wittenberg)},
 howpublished={online},
 year={1925},
 publisher={E. Laub'sche Verlagsbuchhandlung G. m. b. H.},
 publisher={Herrosé & Ziemsen & Co.,(Bez. Halle)},
 language={ger},
 title={Einführung in die Nationalökonomie},
 type={Text},
 URL={http://rcin.org.pl/Content/34166/PDF/WA004_19981_U7979_Luksemburg-Einfuhrun.pdf},
}