World Bank & International Training Centre of the ILO. (1992). Procurement in World Bank financed projects. International Training Centre of the ILO.
Lua i Stíl Chicago (17ú heag.)World Bank agus International Training Centre of the ILO. Procurement in World Bank Financed Projects. Italy: International Training Centre of the ILO, 1992.
Lua MLA (8ú heag.)World Bank agus International Training Centre of the ILO. Procurement in World Bank Financed Projects. International Training Centre of the ILO, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.