Strahler, A. N., & Strahler, A. H. (1997). Student Exercise Manual to Accompany Physical Geography: Science and Systems of the Human Environment. John Wiley & Sons, Inc.
Citace podle Chicago (17th ed.)Strahler, Arthur N., a Alan H. Strahler. Student Exercise Manual to Accompany Physical Geography: Science and Systems of the Human Environment. New York: John Wiley & Sons, Inc, 1997.
Citace podle MLA (9th ed.)Strahler, Arthur N., a Alan H. Strahler. Student Exercise Manual to Accompany Physical Geography: Science and Systems of the Human Environment. John Wiley & Sons, Inc, 1997.
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