Ahuja, H. N. (1983). Successful methods in cost engineering. John Wiley and Sons.
Chicago-čujuhus (17. p.)Ahuja, Hira N. Successful Methods in Cost Engineering. John Wiley and Sons, 1983.
MLA-čujuhus (9. p.)Ahuja, Hira N. Successful Methods in Cost Engineering. John Wiley and Sons, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.