Goldratt, E. (1993). The goal (2nd.). Productivity Press.
Chicago-čujuhus (17. p.)Goldratt, E. The Goal. 2nd. Madras: Productivity Press, 1993.
MLA-čujuhus (9. p.)Goldratt, E. The Goal. 2nd. Productivity Press, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.