Lua APA (7ú heag.)

Morgan, K. O. The Twentieth Century (1914 - 1984): Kenneth O. Morgan. The Oxford illustrated history of Britain.(1989).

Lua i Stíl Chicago (17ú heag.)

Morgan, Kenneth O. "The Twentieth Century (1914 - 1984): Kenneth O. Morgan." The Oxford Illustrated History of Britain.(1989) .

Lua MLA (8ú heag.)

Morgan, Kenneth O. "The Twentieth Century (1914 - 1984): Kenneth O. Morgan." The Oxford Illustrated History of Britain.(1989), .

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