Goudie, A. (2001). The nature of the environment (4th ed.). Blackwell Publishers.
Lua i Stíl Chicago (17ú heag.)Goudie, Andrew. The Nature of the Environment. 4th ed. Oxford, UK ; Malden, Mass.: Blackwell Publishers, 2001.
Lua MLA (8ú heag.)Goudie, Andrew. The Nature of the Environment. 4th ed. Blackwell Publishers, 2001.
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