Goldratt Eliyahu M. (2010). Isn't It Obvious. Productivity & Quality.
Cita Chicago (17th ed.)Goldratt Eliyahu M. Isn't It Obvious. Madras: Productivity & Quality, 2010.
Cita MLA (9th ed.)Goldratt Eliyahu M. Isn't It Obvious. Productivity & Quality, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.