APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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