Gupta, B. C., & Walker, H. F. (2005). Applied statistics for the Six sigma green belt. ASQ Quality Press.
Chicago Style (17th ed.) CitationGupta, Bhisham C., and H. Fred Walker. Applied Statistics for the Six Sigma Green Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2005.
MLA (9th ed.) CitationGupta, Bhisham C., and H. Fred Walker. Applied Statistics for the Six Sigma Green Belt. ASQ Quality Press, 2005.
Warning: These citations may not always be 100% accurate.