ECA. (2017). 2017 Africa Sustainable Development Report. United Nations.
芝加哥风格引文ECA. 2017 Africa Sustainable Development Report. Addis Ababa . Ethiopia: United Nations, 2017.
MLA引文ECA. 2017 Africa Sustainable Development Report. United Nations, 2017.
警告：这些引文格式不一定是100％准确.