Dyfyniad APA

Punnett, R. M. (1987). British Government and Politics (15th ed.). Gower Publishing Company Limited.

Dyfyniad Arddull Chicago

Punnett, R. M. British Government and Politics. 15th ed. Aldershot, Hampshire: Gower Publishing Company Limited, 1987.

Dyfyniad MLA

Punnett, R. M. British Government and Politics. 15th ed. Gower Publishing Company Limited, 1987.

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