Bowerman, B. L., & O"connell, R. T. (1997). Applied Statistics: Improving Business Processes. Chicago: Irwin.
Chicago Style aipamenaBowerman, Bruce L., và Richard T. O"connell. Applied Statistics: Improving Business Processes. Chicago: Irwin, 1997.
MLA aipamenaBowerman, Bruce L., và Richard T. O"connell. Applied Statistics: Improving Business Processes. Chicago: Irwin, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.