Dyfyniad APA

Hoover,Edgar M. (1963). The location of economic activity. Mc Graw Hill Book Company Inc.

Dyfyniad Arddull Chicago

Hoover,Edgar M. The Location of Economic Activity. New York: Mc Graw Hill Book Company Inc, 1963.

Dyfyniad MLA

Hoover,Edgar M. The Location of Economic Activity. Mc Graw Hill Book Company Inc, 1963.

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