Kubiak, T. M. (2014). The ASQ pocket guide for the certified six sigma black belt. ASQ Quality Press.
Chicago Style (17. basım) AtıfKubiak, T. M. The ASQ Pocket Guide for the Certified Six Sigma Black Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2014.
MLA (9th ed.) AtıfKubiak, T. M. The ASQ Pocket Guide for the Certified Six Sigma Black Belt. ASQ Quality Press, 2014.
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