Strahler, A., & Strahler, A. (2005). Physical geography: Science and systems of the human environment (3rd ed.). John wiley.
Citace podle Chicago (17th ed.)Strahler, Alan, a Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 3rd ed. Hoboken: John wiley, 2005.
Citace podle MLA (9th ed.)Strahler, Alan, a Arthur Strahler. Physical Geography: Science and Systems of the Human Environment. 3rd ed. John wiley, 2005.
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