GOEL B S. (1991). PRODUCTION AND OPERATIONS MANAGEMENT. PRAGATI PRAKASHAN.
Chicago-čujuhus (17. p.)GOEL B S. PRODUCTION AND OPERATIONS MANAGEMENT. MEERUT: PRAGATI PRAKASHAN, 1991.
MLA-čujuhus (9. p.)GOEL B S. PRODUCTION AND OPERATIONS MANAGEMENT. PRAGATI PRAKASHAN, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.