Keller, G., & Warrack, B. (1998). Statistics for management and economics (4th ed.). Pacific Grove, CA: Duxbury.
Chicago Style CitationKeller, Gerald., i Brian Warrack. Statistics for Management and Economics. 4th ed. Pacific Grove, CA: Duxbury, 1998.
Cita MLAKeller, Gerald., i Brian Warrack. Statistics for Management and Economics. 4th ed. Pacific Grove, CA: Duxbury, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.