World Bank. (2000). Procurement of works. World Bank.
Chicago-čujuhus (17. p.)World Bank. Procurement of Works. Washington, D.C.: World Bank, 2000.
MLA-čujuhus (9. p.)World Bank. Procurement of Works. World Bank, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.