Farrell, D. M. (1997). Comparing electoral systems. Prentice Hall/Harvester Wheatsheaf.
Cita Chicago Style (17a ed.)Farrell, David M. Comparing Electoral Systems. London: Prentice Hall/Harvester Wheatsheaf, 1997.
Cita MLA (9a ed.)Farrell, David M. Comparing Electoral Systems. Prentice Hall/Harvester Wheatsheaf, 1997.
Precaución: Estas citas no son 100% exactas.