Keller, G., & Warrack, B. (1994). Essentials of business statistics (2nd ed.). Belmont, Calif.: Duxbury Press.
Chicago Style CitationKeller, Gerald., i Brian Warrack. Essentials of Business Statistics. 2nd ed. Belmont, Calif.: Duxbury Press, 1994.
Cita MLAKeller, Gerald., i Brian Warrack. Essentials of Business Statistics. 2nd ed. Belmont, Calif.: Duxbury Press, 1994.
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