Dyfyniad APA

Farrell, D. M. (1997). Comparing electoral systems. Prentice Hall/Harvester Wheatsheaf.

Dyfyniad Arddull Chicago

Farrell, David M. Comparing Electoral Systems. London: Prentice Hall/Harvester Wheatsheaf, 1997.

Dyfyniad MLA

Farrell, David M. Comparing Electoral Systems. Prentice Hall/Harvester Wheatsheaf, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.