@misc{Herbart_Johann_Friedrich_(1776-1841)_Johann,
 author={Herbart, Johann Friedrich (1776-1841)},
 howpublished={online},
 publisher={Verlag von Leopold Voss},
 language={ger},
 type={książka},
 title={Johann Friedrich Herbart's Lehrbuch zur Psychologie},
 keywords={psychologia, 19 w.},
}