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Lua i Stíl Chicago (17ú heag.)Czepil, Bartosz, agus Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Berlin: Peter Lang, 2020.
Lua MLA (9ú heag.)Czepil, Bartosz, agus Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Peter Lang, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.