Pyzdek, T., Keller, P. The Six Sigma Handbook. New York et al.: McGraw-Hill, 2009 548 p. 978-0-07-162338-4.
Pyzdek, T., Keller, P. The Six Sigma Handbook. New York et al.: McGraw-Hill, 2009 548 p. 978-0-07-162338-4.
Pyzdek, T., Keller, P. (2009) The Six Sigma Handbook, New York et al.: McGraw-Hill 548 p. 978-0-07-162338-4.
Pyzdek, T., & Keller, P. (2009). The Six Sigma Handbook. A Complete Guide for Green Belts, Black Belts, and Managers at All Levels. New York et al.: McGraw-Hill, 548 p.
Pyzdek T, Keller P. The Six Sigma Handbook: A Complete Guide for Green Belts, Black Belts, and Managers at All Levels. New York et al.: McGraw-Hill; 2009. p. 548 p. ISBN: 978-0-07-162338-4.