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Citace podle Chicago (17th ed.)British Geomorphological Research Group, Denys Brunsden, John C. Doornkamp, a David Ingle Smith. The Unquiet Landscape: Series from the Geographical Magazine. New York: Wiley, 1978.
Citace podle MLA (8th ed.)British Geomorphological Research Group, et al. The Unquiet Landscape: Series from the Geographical Magazine. Wiley, 1978.
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