Keller, G., & Warrack, B. (1998). Study guide with student's solutions manual for Statistics for management and economics (abbreviated 4th ed.). Pacific Grove, CA: Duxbury Press.
Trích dẫn kiểu ChicagoKeller, Gerald., và Brian Warrack. Study Guide With Student's Solutions Manual for Statistics for Management and Economics. abbreviated 4th ed. Pacific Grove, CA: Duxbury Press, 1998.
Trích dẫn MLAKeller, Gerald., và Brian Warrack. Study Guide With Student's Solutions Manual for Statistics for Management and Economics. abbreviated 4th ed. Pacific Grove, CA: Duxbury Press, 1998.
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