Não informado. (2003). Production and Operations Management. Production and Operations Management Society.
Chicago-referens (17:e uppl.)Não informado. Production and Operations Management. Baltimore, Md: Production and Operations Management Society, 2003.
MLA-referens (8:e uppl.)Não informado. Production and Operations Management. Production and Operations Management Society, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.