Cita APA (7a ed.)

Goldratt, E. M. (2006). Necessary but not Sufficient. Productivity and Quality Pub-Madras.

Cita Chicago Style (17a ed.)

Goldratt, Eliyahu M. Necessary but Not Sufficient. Productivity and Quality Pub-Madras, 2006.

Cita MLA (9a ed.)

Goldratt, Eliyahu M. Necessary but Not Sufficient. Productivity and Quality Pub-Madras, 2006.