Thomson, D. (1964). England in the twentieth century: 1914-1963. Harmondsworth: Penguin Books.
Lua i Stíl Chicago (17ú heag.)Thomson, David. England in the Twentieth Century: 1914-1963. Harmondsworth: Penguin Books, 1964.
Lua MLA (8ú heag.)Thomson, David. England in the Twentieth Century: 1914-1963. Harmondsworth: Penguin Books, 1964.
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