Huntington, E., & Cushing, S. W. (1934). Principles of human geography (4th ed.). J. Wiley & sons, inc. Chapman & Hall, limited.
Citace podle Chicago (17th ed.)Huntington, Ellsworth, a Sumner Webster Cushing. Principles of Human Geography. 4th ed. New York, London: J. Wiley & sons, inc. Chapman & Hall, limited, 1934.
Citace podle MLA (8th ed.)Huntington, Ellsworth, a Sumner Webster Cushing. Principles of Human Geography. 4th ed. J. Wiley & sons, inc. Chapman & Hall, limited, 1934.
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