Kleinknecht, A. (1987). Innovation patterns in crisis and prosperity: Schumpeter's long cycle reconsidered. New York: St. Martin's Press.
Παραπομπή Chicago StyleKleinknecht, Alfred. Innovation Patterns in Crisis and Prosperity: Schumpeter's Long Cycle Reconsidered. New York: St. Martin's Press, 1987.
Παραπομπή MLAKleinknecht, Alfred. Innovation Patterns in Crisis and Prosperity: Schumpeter's Long Cycle Reconsidered. New York: St. Martin's Press, 1987.
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