Lua APA (7ú heag.)
Czepil, B., & Opioa, W. (2020). Ethnic diversity and local governance quality: The case of Opole Province in Poland. Peter Lang.
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.