Babbage, C. (1851). The exposition of 1851: Or, views of the industry, the science, and the government, of England. London: John Murray.
Παραπομπή Chicago StyleBabbage, Charles. The Exposition of 1851: Or, Views of the Industry, the Science, and the Government, of England. London: John Murray, 1851.
Παραπομπή MLABabbage, Charles. The Exposition of 1851: Or, Views of the Industry, the Science, and the Government, of England. London: John Murray, 1851.
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