@misc{Zygmunt_Wygocki_Listy_1991,
 author={Zygmunt Wygocki},
 address={Poznań},
 year={1991},
 contents={Strona 221-222},
 publisher={Poznań : IZ,},
 language={pol},
 title={Listy do redakcji},
 type={text},
}