Boyce, R. R. (1974). The bases of economic geography: An essay on the spatial characteristics of man's economic activities. New York: Holt, Rinehart and Winston.
শিকাগো স্টাইলে সাইটেশনBoyce, Ronald R. The Bases of Economic Geography: An Essay On the Spatial Characteristics of Man's Economic Activities. New York: Holt, Rinehart and Winston, 1974.
এমএলএ সাইটেশনBoyce, Ronald R. The Bases of Economic Geography: An Essay On the Spatial Characteristics of Man's Economic Activities. New York: Holt, Rinehart and Winston, 1974.
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