Παραπομπή APA
Schumpeter, J. A., & Opie, R. (1961). The theory of economic development: An inquiry into profits, capital, credit, interest, and the business cycle. London, New York: Oxford University Press.
Παραπομπή Chicago StyleSchumpeter, Joseph Alois, and Redvers Opie. The Theory of Economic Development: An Inquiry Into Profits, Capital, Credit, Interest, and the Business Cycle. London, New York: Oxford University Press, 1961.
Παραπομπή MLASchumpeter, Joseph Alois, and Redvers Opie. The Theory of Economic Development: An Inquiry Into Profits, Capital, Credit, Interest, and the Business Cycle. London, New York: Oxford University Press, 1961.
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