APA način citiranja (7. izdanje)
Czepil, B., & Opioa, W. (2020). Ethnic diversity and local governance quality: The case of Opole Province in Poland. Peter Lang.
Čikaški stil citiranja (17. izdanje)
Czepil, Bartosz, i Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Berlin: Peter Lang, 2020.
MLA način citiranja (9. izdanje)
Czepil, Bartosz, i Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Peter Lang, 2020.
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