APA-ийн эшлэл(7 дахь хэвлэлт)

Goldratt, E. (2006). Necessary but not sufficient.....business novel. Productivity and Quality Pub.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Goldratt, Eliyahu. Necessary but Not Sufficient.....business Novel. Madras: Productivity and Quality Pub, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Goldratt, Eliyahu. Necessary but Not Sufficient.....business Novel. Productivity and Quality Pub, 2006.