Webster, A. L. (1995). Applied statistics for business and economics (2nd ed.). Irwin.
Dyfyniad Arddull ChicagoWebster, Allen L. Applied Statistics for Business and Economics. 2nd ed. Chicago: Irwin, 1995.
Dyfyniad MLAWebster, Allen L. Applied Statistics for Business and Economics. 2nd ed. Irwin, 1995.
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