Gaya APA

Brue,Greg, . (2005). Six Sigma for Managers;24 lessons to Understand and Apply Six Sigma Principle in any Organization . New York: Mcgraw Hill.

Gaya MLA

Brue,Greg, . "Six Sigma for Managers;24 lessons to Understand and Apply Six Sigma Principle in any Organization". New York: Mcgraw Hill, 2005. Text.