Ayres, C. E. (1978). The theory of economic progress: A study of the fundamentals of economic development and cultural change. Kalamazoo, Michigan: New Issues Press, Western Michigan University.
Chicago Stili AlıntıAyres, Clarence Edwin. The Theory of Economic Progress: A Study of the Fundamentals of Economic Development and Cultural Change. Kalamazoo, Michigan: New Issues Press, Western Michigan University, 1978.
MLA AlıntıAyres, Clarence Edwin. The Theory of Economic Progress: A Study of the Fundamentals of Economic Development and Cultural Change. Kalamazoo, Michigan: New Issues Press, Western Michigan University, 1978.
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