@misc{Caro_Leopold_(1864–1939)_Socyologia._1912,
 author={Caro, Leopold (1864–1939)},
 copyright={Public Domain},
 address={Lwów},
 howpublished={online},
 year={1912},
 publisher={nakł. autora},
 language={pol},
 type={Text},
 title={Socyologia. T. 1, Cz. 1 / Wstęp do socyologii},
 URL={http://rcin.org.pl/Content/28992/PDF/WA004_13830_U7306_Caro-Socyologia.pdf},
 keywords={sociology},
}