Bye, R. T., & Hewett, W. W. (1963). The economic process: Its principles and problems (2nd ed.). New York: Appleton-Century-Crofts.
Παραπομπή Chicago StyleBye, Raymond T., and William W. Hewett. The Economic Process: Its Principles and Problems. 2nd ed. New York: Appleton-Century-Crofts, 1963.
Παραπομπή MLABye, Raymond T., and William W. Hewett. The Economic Process: Its Principles and Problems. 2nd ed. New York: Appleton-Century-Crofts, 1963.
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