Goldratt, E. (1994). The goal II Its not luck.
Chicago-čujuhus (17. p.)Goldratt, Eliyahu. The Goal II Its Not Luck. Hampshire, 1994.
MLA-čujuhus (9. p.)Goldratt, Eliyahu. The Goal II Its Not Luck. 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.