Não informado. (2003). The Journal of Supply Chain Management. National Association of Purchasing Management.
Chicago-referens (17:e uppl.)Não informado. The Journal of Supply Chain Management. Tempe, Ariz: National Association of Purchasing Management, 2003.
MLA-referens (8:e uppl.)Não informado. The Journal of Supply Chain Management. National Association of Purchasing Management, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.