APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

Czepil, Bartosz, eta Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Berlin: Peter Lang, 2020.

MLA (9th ed.) Zitazioa

Czepil, Bartosz, eta Wojciech Opioa. Ethnic Diversity and Local Governance Quality: The Case of Opole Province in Poland. Peter Lang, 2020.