Eckes, G. (2001). Making Six Sigma last: Managing the balance between cultural and technical change. Wiley.
Chicago-referens (17:e uppl.)Eckes, George. Making Six Sigma Last: Managing the Balance Between Cultural and Technical Change. New York: Wiley, 2001.
MLA-referens (9:e uppl.)Eckes, George. Making Six Sigma Last: Managing the Balance Between Cultural and Technical Change. Wiley, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.