Cita APA (7th ed.)

Goldratt, E. (1993). The goal (2nd.). Productivity Press.

Cita Chicago (17th ed.)

Goldratt, E. The Goal. 2nd. Madras: Productivity Press, 1993.

Cita MLA (9th ed.)

Goldratt, E. The Goal. 2nd. Productivity Press, 1993.