Cita APA (7th ed.)

Ray Subhadrata MPE. (2011). Six Sigma: Controlling & Improving Production Process & Quality. MPE-NMIMS.

Cita Chicago (17th ed.)

Ray Subhadrata MPE. Six Sigma: Controlling & Improving Production Process & Quality. Mumbai: MPE-NMIMS, 2011.

Cita MLA (9th ed.)

Ray Subhadrata MPE. Six Sigma: Controlling & Improving Production Process & Quality. MPE-NMIMS, 2011.