Cita APA (7a ed.)

Pyzdek, T., & Keller, P. A. (2010). Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels, Third Edition (3rd edition.). McGraw-Hill Education.

Cita Chicago Style (17a ed.)

Pyzdek, Thomas, y Paul A. Keller. Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels, Third Edition. 3rd edition. New York, N.Y.: McGraw-Hill Education, 2010.

Cita MLA (8a ed.)

Pyzdek, Thomas, y Paul A. Keller. Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels, Third Edition. 3rd edition. McGraw-Hill Education, 2010.