Παραπομπή APA
George, M. L. (2003). Lean Six Sigma for service: How to use Lean Speed and Six Sigma Quality to improve services and transactions. New York: McGraw-Hill.
Παραπομπή Chicago StyleGeorge, Michael L. Lean Six Sigma for Service: How to Use Lean Speed and Six Sigma Quality to Improve Services and Transactions. New York: McGraw-Hill, 2003.
Παραπομπή MLAGeorge, Michael L. Lean Six Sigma for Service: How to Use Lean Speed and Six Sigma Quality to Improve Services and Transactions. New York: McGraw-Hill, 2003.
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