Bulmer-Thomas, I. (1967). The growth of the British party system (2nd ed.). Baker.
Lua i Stíl Chicago (17ú heag.)Bulmer-Thomas, Ivor. The Growth of the British Party System. 2nd ed. London: Baker, 1967.
Lua MLA (9ú heag.)Bulmer-Thomas, Ivor. The Growth of the British Party System. 2nd ed. Baker, 1967.
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