Cita APA (7a ed.)
Gupta, B. C., & Walker, H. F. (2007). Statistical quality control for the Six sigma green belt. ASQ Quality Press.
Cita Chicago Style (17a ed.)
Gupta, Bhisham C., y H. Fred Walker. Statistical Quality Control for the Six Sigma Green Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2007.
Cita MLA (9a ed.)
Gupta, Bhisham C., y H. Fred Walker. Statistical Quality Control for the Six Sigma Green Belt. ASQ Quality Press, 2007.
Precaución: Estas citas no son 100% exactas.