McDonald, M. D., & Budge, I. Elections, parties, democracy: Conferring the median mandate. Oxford University Press.
Chicago-viite (17. p.)McDonald, Michael D., ja Ian Budge. Elections, Parties, Democracy: Conferring the Median Mandate. New York: Oxford University Press.
MLA-viite (9. p.)McDonald, Michael D., ja Ian Budge. Elections, Parties, Democracy: Conferring the Median Mandate. Oxford University Press.
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