Gaya APA

GEORGE, M, L, . et al (2005). The Lean Six Sigma Pocket Toolbook: A Quick Reference Guide to 100 Tools for Improving Quality and Speed (1). New York: McGraw-Hill.

Gaya MLA

GEORGE, Michael, L, . et al. "The Lean Six Sigma Pocket Toolbook: A Quick Reference Guide to 100 Tools for Improving Quality and Speed". 1 New York: McGraw-Hill, 2005. Printed.