Edited by Sommers, L. M. (1967). Cultural Geography: Selected readings. Thomas Y. Crowell Co..
Citazione stile Chigago Style (17a edizione)Edited by Sommers, Lawrence M. Cultural Geography: Selected Readings. New York: Thomas Y. Crowell Co., 1967.
Citatione MLA (9a ed.)Edited by Sommers, Lawrence M. Cultural Geography: Selected Readings. Thomas Y. Crowell Co., 1967.
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