Gupta, B. C., & Walker, H. F. (2005). Applied statistics for the Six sigma green belt. Milwaukee, Wisconsin: ASQ Quality Press.
Chicago Style CitationGupta, Bhisham C., and H. Fred Walker. Applied Statistics for the Six Sigma Green Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2005.
MLA CitationGupta, Bhisham C., and H. Fred Walker. Applied Statistics for the Six Sigma Green Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2005.
Warning: These citations may not always be 100% accurate.