Qvortrup, M. (2014). Referendums and ethnic conflict. University of Pennsylvania Press.
Chicago Style (17th ed.) ZitazioaQvortrup, Mads. Referendums and Ethnic Conflict. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2014.
MLA (9th ed.) ZitazioaQvortrup, Mads. Referendums and Ethnic Conflict. University of Pennsylvania Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.