Goldratt, E. (2006). Necessary but not sufficient.....business novel. Productivity and Quality Pub.
Chicago-referens (17:e uppl.)Goldratt, Eliyahu. Necessary but Not Sufficient.....business Novel. Madras: Productivity and Quality Pub, 2006.
MLA-referens (9:e uppl.)Goldratt, Eliyahu. Necessary but Not Sufficient.....business Novel. Productivity and Quality Pub, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.