Ray Subhadrata MPE. (2011). Six Sigma: Controlling & Improving Production Process & Quality. MPE-NMIMS.
Chicago Style aipamenaRay Subhadrata MPE. Six Sigma: Controlling & Improving Production Process & Quality. Mumbai: MPE-NMIMS, 2011.
MLA aipamenaRay Subhadrata MPE. Six Sigma: Controlling & Improving Production Process & Quality. MPE-NMIMS, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.