Pande, P. S., & Holpp, L. (2002). What is six sigma? McGraw-Hill.
Cita Chicago Style (17a ed.)Pande, Peter S., y Larry Holpp. What Is Six Sigma? New York [etc.]: McGraw-Hill, 2002.
Cita MLA (9a ed.)Pande, Peter S., y Larry Holpp. What Is Six Sigma? McGraw-Hill, 2002.
Precaución: Estas citas no son 100% exactas.