Gaya APA

Cavanagh, R, R. et al (2014). The Six Sigma Way: How to Maximize the Impact of Your Change and Improvement Efforts (Ed. 2). New York: McGraw-Hill Education.

Gaya MLA

Cavanagh, Roland, R.. et al. "The Six Sigma Way: How to Maximize the Impact of Your Change and Improvement Efforts". Ed. 2 New York: McGraw-Hill Education, 2014. .