APA aipamena

Pyzdek, T., & Keller, P. A. (2018). The six sigma handbook (Fifth edition.). McGraw-Hill Education.

Chicago Style aipamena

Pyzdek, Thomas, and Paul A. Keller. The Six Sigma Handbook. Fifth edition. New York: McGraw-Hill Education, 2018.

MLA aipamena

Pyzdek, Thomas, and Paul A. Keller. The Six Sigma Handbook. Fifth edition. McGraw-Hill Education, 2018.