Diamond, J. (2005). Collapse: How societies choose to fail or succeed. Viking.
Lua i Stíl Chicago (17ú heag.)Diamond, Jared. Collapse: How Societies Choose to Fail or Succeed. New York: Viking, 2005.
Lua MLA (9ú heag.)Diamond, Jared. Collapse: How Societies Choose to Fail or Succeed. Viking, 2005.
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