Morgan, K. O. (2001). Twentieth-Century Britain: A Very Short Introduction (1st.). Oxford.
Lua i Stíl Chicago (17ú heag.)Morgan, Kenneth O. Twentieth-Century Britain: A Very Short Introduction. 1st. Oxford, 2001.
Lua MLA (9ú heag.)Morgan, Kenneth O. Twentieth-Century Britain: A Very Short Introduction. 1st. Oxford, 2001.
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