Παραπομπή APA

Smith, J. R., Philips, M. O., & Smith, T. R. (1961). Industrial and commercial geography. New York: Holt, Rinehart and Winston.

Παραπομπή Chicago Style

Smith, J. Russell, M. Ogden Philips, and Thomas R. Smith. Industrial and Commercial Geography. New York: Holt, Rinehart and Winston, 1961.

Παραπομπή MLA

Smith, J. Russell, M. Ogden Philips, and Thomas R. Smith. Industrial and Commercial Geography. New York: Holt, Rinehart and Winston, 1961.

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