Eckes, G. (2001). The six sigma revolution: How General Electric and others turned process into profits. Wiley.
Chicago-Zitierstil (17. Ausg.)Eckes, George. The Six Sigma Revolution: How General Electric and Others Turned Process into Profits. New York [u.a.]: Wiley, 2001.
MLA-Zitierstil (9. Ausg.)Eckes, George. The Six Sigma Revolution: How General Electric and Others Turned Process into Profits. Wiley, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.