APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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