GUPTA J D. (1987). MATHEMATICS FOR BUSINESS AND ECONOMICS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)GUPTA J D. MATHEMATICS FOR BUSINESS AND ECONOMICS. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1987.
MLA-viite (9. p.)GUPTA J D. MATHEMATICS FOR BUSINESS AND ECONOMICS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1987.
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