Gaya APA

Cavanagh, R, R. et al (2000). The six sigma way : how GE, Motorola, and other top companies are honing their performance . New York: The Mcgraw-hill Companies.

Gaya MLA

Cavanagh, Roland, R.. et al. "The six sigma way : how GE, Motorola, and other top companies are honing their performance". New York: The Mcgraw-hill Companies, 2000. Book.