APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.