Wonnacott, T. H., & Wonnacott, R. J. (1990). Introductory statistics for business and economics (4th ed.). New York: John Wiley and Sons.
Παραπομπή Chicago StyleWonnacott, Thomas H., και Ronald J. Wonnacott. Introductory Statistics for Business and Economics. 4th ed. New York: John Wiley and Sons, 1990.
Παραπομπή MLAWonnacott, Thomas H., και Ronald J. Wonnacott. Introductory Statistics for Business and Economics. 4th ed. New York: John Wiley and Sons, 1990.
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