Citace podle APA (7th ed.)
ebrary, Inc. (1995). Ward Valley: An examination of seven issues in earth sciences and ecology. National Academy Press.
Citace podle Chicago (17th ed.)
ebrary, Inc. Ward Valley: An Examination of Seven Issues in Earth Sciences and Ecology. Washington, DC: National Academy Press, 1995.
Citace podle MLA (9th ed.)
ebrary, Inc. Ward Valley: An Examination of Seven Issues in Earth Sciences and Ecology. National Academy Press, 1995.
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