BANMOL WILLIAM J. (1985). ECONOMIC THEORY AND OPERATIONS ANALYSIS (TH.). PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)BANMOL WILLIAM J. ECONOMIC THEORY AND OPERATIONS ANALYSIS. TH. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1985.
Lua MLA (9ú heag.)BANMOL WILLIAM J. ECONOMIC THEORY AND OPERATIONS ANALYSIS. TH. PRENTICE -HALL INTERNATIONAL, INC, 1985.
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