George,Michael L. (2005). Lean Six Sigma pocket tool book: A quick reference guide to nearly 100 tools for improving process quality, speed, and complexity (NA.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)George,Michael L. Lean Six Sigma Pocket Tool Book: A Quick Reference Guide to Nearly 100 Tools for Improving Process Quality, Speed, and Complexity. NA. USA: McGraw Hill, 2005.
Lua MLA (9ú heag.)George,Michael L. Lean Six Sigma Pocket Tool Book: A Quick Reference Guide to Nearly 100 Tools for Improving Process Quality, Speed, and Complexity. NA. McGraw Hill, 2005.
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