WANNACOTT T H. (1973). INTRODUCTORY STATISTICS FOR BUSINESS AND ECONOMICS (3RD.). JOHN WILEY AND SONS.
Chicago-čujuhus (17. p.)WANNACOTT T H. INTRODUCTORY STATISTICS FOR BUSINESS AND ECONOMICS. 3RD. NEW JERSEY: JOHN WILEY AND SONS, 1973.
MLA-čujuhus (9. p.)WANNACOTT T H. INTRODUCTORY STATISTICS FOR BUSINESS AND ECONOMICS. 3RD. JOHN WILEY AND SONS, 1973.
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