@misc{Polko_Adam_Models,
 author={Polko, Adam},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 title={Models of participatory budgeting – the case study of Polish city},
 type={artykuł},
 keywords={budżet partycypacyjny, deliberative methods, Polska},
}