Bowerman, B. L., & Statistics. (1997). Applied statistics: Improving business processes. Irwin.
Lua i Stíl Chicago (17ú heag.)Bowerman, Bruce L., agus Statistics. Applied Statistics: Improving Business Processes. Chicago: Irwin, 1997.
Lua MLA (9ú heag.)Bowerman, Bruce L., agus Statistics. Applied Statistics: Improving Business Processes. Irwin, 1997.
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