Thomson, D. (1970). England in the nineteenth century: 1815-1914 (14th ed.). Harmondsworth: Penguin Books.
Lua i Stíl Chicago (17ú heag.)Thomson, David. England in the Nineteenth Century: 1815-1914. 14th ed. Harmondsworth: Penguin Books, 1970.
Lua MLA (8ú heag.)Thomson, David. England in the Nineteenth Century: 1815-1914. 14th ed. Harmondsworth: Penguin Books, 1970.
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