McCONNELL, J. W. (1980). Ideas of the great economists.-- ed.2. Barnes and Noble Books.
Lua i Stíl Chicago (17ú heag.)McCONNELL, John W. Ideas of the Great Economists.-- Ed.2. New York: Barnes and Noble Books, 1980.
Lua MLA (9ú heag.)McCONNELL, John W. Ideas of the Great Economists.-- Ed.2. Barnes and Noble Books, 1980.
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