Punnett, R. M. (1988). British government and politics (5th ed.). Waveland.
Cita Chicago Style (17a ed.)Punnett, R. M. British Government and Politics. 5th ed. Prospect Heights: Waveland, 1988.
Cita MLA (9a ed.)Punnett, R. M. British Government and Politics. 5th ed. Waveland, 1988.
Precaución: Estas citas no son 100% exactas.