
Shugart, M. S. (1992). Electoral reform in systems of proportional representation. European journal of political research.
Citação norma ChicagoShugart, Matthew Soberg. "Electoral Reform in Systems of Proportional Representation." European Journal of Political Research 1992.
Citação norma MLAShugart, Matthew Soberg. "Electoral Reform in Systems of Proportional Representation." European Journal of Political Research, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.