Fellner, W. J. (1960). Competition among the few: Oligopoly and similar market structures. Kelley.
Lua i Stíl Chicago (17ú heag.)Fellner, William John. Competition Among the Few: Oligopoly and Similar Market Structures. New York: Kelley, 1960.
Lua MLA (9ú heag.)Fellner, William John. Competition Among the Few: Oligopoly and Similar Market Structures. Kelley, 1960.
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