Farrell, D. M. (1997). Comparing electoral systems. Prentice Hall/Harvester Wheatsheaf.
Chicago Style (17. basım) AtıfFarrell, David M. Comparing Electoral Systems. London: Prentice Hall/Harvester Wheatsheaf, 1997.
MLA (9th ed.) AtıfFarrell, David M. Comparing Electoral Systems. Prentice Hall/Harvester Wheatsheaf, 1997.
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