APA (7 ম সংস্করণ) উদ্ধৃতি

World Bank & International Training Centre of the ILO. (1992). Procurement in World Bank financed projects. International Training Centre of the ILO.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

World Bank এবং International Training Centre of the ILO. Procurement in World Bank Financed Projects. Italy: International Training Centre of the ILO, 1992.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

World Bank এবং International Training Centre of the ILO. Procurement in World Bank Financed Projects. International Training Centre of the ILO, 1992.