The World Bank. (2000). Progress towards the unification of Europe. World Bank.
芝加哥风格引文The World Bank. Progress Towards the Unification of Europe. Washington, D.C.: World Bank, 2000.
MLA引文The World Bank. Progress Towards the Unification of Europe. World Bank, 2000.
警告：这些引文格式不一定是100％准确.