Sack, R. D. (1980). Conceptions of space in social thought: A geographic perspective. University of Minnesota Press.
Citace podle Chicago (17th ed.)Sack, Robert David. Conceptions of Space in Social Thought: A Geographic Perspective. Minneapolis: University of Minnesota Press, 1980.
Citace podle MLA (9th ed.)Sack, Robert David. Conceptions of Space in Social Thought: A Geographic Perspective. University of Minnesota Press, 1980.
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