Goldratt, E. (2004). The goal: A process of ongoing improvement (4th.). Productivity and Quality Publ. Pvt.Ltd.
Chicago-viite (17. p.)Goldratt, Eliyahu. The Goal: A Process of Ongoing Improvement. 4th. Madras: Productivity and Quality Publ. Pvt.Ltd, 2004.
MLA-viite (9. p.)Goldratt, Eliyahu. The Goal: A Process of Ongoing Improvement. 4th. Productivity and Quality Publ. Pvt.Ltd, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.