Garrison, W. L. (1967). Quantitative geography. Dept. of Geography of Northwestern University.
Citace podle Chicago (17th ed.)Garrison, William Louis. Quantitative Geography. Evanston: Dept. of Geography of Northwestern University, 1967.
Citace podle MLA (9th ed.)Garrison, William Louis. Quantitative Geography. Dept. of Geography of Northwestern University, 1967.
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