Dyfyniad APA

Day, A. J., Campbell, J. (. R. E., & German, R. Political parties of the world (4th ed.). Cartermill.

Dyfyniad Arddull Chicago

Day, Alan J., John (John R. E. Campbell, and Richar German. Political Parties of the World. 4th ed. London: Cartermill.

Dyfyniad MLA

Day, Alan J., et al. Political Parties of the World. 4th ed. Cartermill.

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