Παραπομπή APA

Stamatis, D. H. (2003). Six sigma fundamentals: A complete guide to the system, methods and tools. Productivity press.

Παραπομπή Chicago Style

Stamatis, D. H. Six Sigma Fundamentals: A Complete Guide to the System, Methods and Tools. New York: Productivity press, 2003.

Παραπομπή MLA

Stamatis, D. H. Six Sigma Fundamentals: A Complete Guide to the System, Methods and Tools. Productivity press, 2003.