Qvortrup, M. (2014). Referendums and ethnic conflict. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Qvortrup, Mads. Referendums and Ethnic Conflict. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2014.
Lua MLA (9ú heag.)Qvortrup, Mads. Referendums and Ethnic Conflict. University of Pennsylvania Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.