George, M. L., Rowlands, D., & Kastle, B. (2004). What is Lean Six Sigma? McGraw-Hill.
Cita Chicago Style (17a ed.)George, Michael L., Dave Rowlands, y Bill Kastle. What Is Lean Six Sigma? New York: McGraw-Hill, 2004.
Cita MLA (8a ed.)George, Michael L., et al. What Is Lean Six Sigma? McGraw-Hill, 2004.
Precaución: Estas citas no son 100% exactas.