Punnett, R. M. (1987). British Government and Politics (15th ed.). Gower Publishing Company Limited.
Chicago-čujuhus (17. p.)Punnett, R. M. British Government and Politics. 15th ed. Aldershot, Hampshire: Gower Publishing Company Limited, 1987.
MLA-čujuhus (9. p.)Punnett, R. M. British Government and Politics. 15th ed. Gower Publishing Company Limited, 1987.
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