Dyfyniad APA

Babbage, C. (1837). The ninth Bridgewater treatise: A fragment. J. Murray.

Dyfyniad Arddull Chicago

Babbage, Charles. The Ninth Bridgewater Treatise: A Fragment. London: J. Murray, 1837.

Dyfyniad MLA

Babbage, Charles. The Ninth Bridgewater Treatise: A Fragment. J. Murray, 1837.

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