Tohutoro APA (7th ed.)
Gupta, B. C., & Walker, H. F. (2007). Statistical quality control for the Six sigma green belt. ASQ Quality Press.
Tohutoru Kātū Chicago (17th ed.)
Gupta, Bhisham C., me H. Fred Walker. Statistical Quality Control for the Six Sigma Green Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2007.
Tohutoro MLA (9th ed.)
Gupta, Bhisham C., me H. Fred Walker. Statistical Quality Control for the Six Sigma Green Belt. ASQ Quality Press, 2007.
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