NELLIS JOSEPH G. (1992). THE ESSENCE OF BUSINESS ECONOMICS. PRENTICE HALL OF INDIA PVT.LTD.
Chicago-čujuhus (17. p.)NELLIS JOSEPH G. THE ESSENCE OF BUSINESS ECONOMICS. NEW DELHI: PRENTICE HALL OF INDIA PVT.LTD, 1992.
MLA-čujuhus (9. p.)NELLIS JOSEPH G. THE ESSENCE OF BUSINESS ECONOMICS. PRENTICE HALL OF INDIA PVT.LTD, 1992.
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