Vernon, J. M. (1972). Market structure and industrial performance: A review of statistical findings. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Vernon, John M. Market Structure and Industrial Performance: A Review of Statistical Findings. Boston: Allyn and Bacon, 1972.
Lua MLA (9ú heag.)Vernon, John M. Market Structure and Industrial Performance: A Review of Statistical Findings. Allyn and Bacon, 1972.
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