Bell, S. (2006). Lean Enterprise systems using IT for continuous improvement Steve Bell. McGraw-Hill.
Chicago-referens (17:e uppl.)Bell, Steve. Lean Enterprise Systems Using IT for Continuous Improvement Steve Bell. McGraw-Hill, 2006.
MLA-referens (8:e uppl.)Bell, Steve. Lean Enterprise Systems Using IT for Continuous Improvement Steve Bell. McGraw-Hill, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.