Gaya APA
Gygi, C. et al (2005).
Six Sigma for Dummies: The Six Sigma Tools Methods Landscape .
Indianapolis, Indiana:
Wiley Publishing.
Gaya MLA
Gygi, Craig. et al.
"Six Sigma for Dummies: The Six Sigma Tools Methods Landscape".
Indianapolis, Indiana:
Wiley Publishing,
2005.
Text.