Gaya APA

SCHONBERGER, R. (2008). BEST PRACTICES IN LEAN SIX SIGMA PROCESS IMPROVEMENT E-BOOK . Hoboken, New Jersey: John Wiley & Sons.

Gaya MLA

SCHONBERGER, RICHARD. "BEST PRACTICES IN LEAN SIX SIGMA PROCESS IMPROVEMENT E-BOOK". Hoboken, New Jersey: John Wiley & Sons, 2008. Text.