Lyell, C. (1845). Travels in North America: With geological observations on the United States, Canada, and Nova Scotia. J. Murray.
Chicago-referens (17:e uppl.)Lyell, Charles. Travels in North America: With Geological Observations on the United States, Canada, and Nova Scotia. London: J. Murray, 1845.
MLA-referens (8:e uppl.)Lyell, Charles. Travels in North America: With Geological Observations on the United States, Canada, and Nova Scotia. J. Murray, 1845.
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