Watts, D. (2012). British government and politics: A comparative guide (2nd ed.). Edinburgh University Press.
Lua i Stíl Chicago (17ú heag.)Watts, Duncan. British Government and Politics: A Comparative Guide. 2nd ed. Edinburgh: Edinburgh University Press, 2012.
Lua MLA (9ú heag.)Watts, Duncan. British Government and Politics: A Comparative Guide. 2nd ed. Edinburgh University Press, 2012.
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