@misc{Wnuczak_Paweł_Profitability,
 author={Wnuczak, Paweł},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 title={Profitability of investment strategies developed on the basis of buy and sell recommendations},
 type={czasopismo},
 keywords={giełda, inwestycje, rekomendacje},
}