Qvortrup, M. (2014). Referendums and ethnic conflict. University of Pennsylvania Press.
Cita Chicago (17th ed.)Qvortrup, Mads. Referendums and Ethnic Conflict. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2014.
Cita MLA (9th ed.)Qvortrup, Mads. Referendums and Ethnic Conflict. University of Pennsylvania Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.