Wonnacott, T. H., & Wonnacott, R. J. (1990). Introductory statistics for business and Economics (4th.ed.). John Wiley & sons.
Chicago-viite (17. p.)Wonnacott, Thomas H., ja Ronald J. Wonnacott. Introductory Statistics for Business and Economics. 4th.ed. New York: John Wiley & sons, 1990.
MLA-viite (9. p.)Wonnacott, Thomas H., ja Ronald J. Wonnacott. Introductory Statistics for Business and Economics. 4th.ed. John Wiley & sons, 1990.
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