APA aipamena

Pyzdek, T. (2003). The six sigma handbook. McGraw-Hill.

Chicago Style aipamena

Pyzdek, Thomas. The Six Sigma Handbook. McGraw-Hill, 2003.

MLA aipamena

Pyzdek, Thomas. The Six Sigma Handbook. McGraw-Hill, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.