Bowerman, B. L., & O`Connell, R. T. (2007). Student CD-ROM to accompany Business statistics in practice (cuarta edición.). McGraw-Hill.
Chicago Style (17. basım) AtıfBowerman, Bruce L., ve Richard T. O`Connell. Student CD-ROM to Accompany Business Statistics in Practice. cuarta edición. [Boston, MA.]: McGraw-Hill, 2007.
MLA (9th ed.) AtıfBowerman, Bruce L., ve Richard T. O`Connell. Student CD-ROM to Accompany Business Statistics in Practice. cuarta edición. McGraw-Hill, 2007.
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