APA aipamena

(2005). Six sigma for transactions and serviceParveen S. Goel [et.al.]. McGraw-Hill.

Chicago Style aipamena

Six Sigma for Transactions and ServiceParveen S. Goel [et.al.]. McGraw-Hill, 2005.

MLA aipamena

Six Sigma for Transactions and ServiceParveen S. Goel [et.al.]. McGraw-Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.