Ely, R. T., & Wehrwein, G. S. (1940). Land economics. Macmillan.
Chicago Style aipamenaEly, Richard T., and George S. Wehrwein. Land Economics. New York: Macmillan, 1940.
MLA aipamenaEly, Richard T., and George S. Wehrwein. Land Economics. Macmillan, 1940.
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