APA引文

(1997). Young action for the future (2nd.ed.). UNEP.

芝加哥风格引文

Young Action for the Future. 2nd.ed. Nairobi: UNEP, 1997.

MLA引文

Young Action for the Future. 2nd.ed. UNEP, 1997.

警告：这些引文格式不一定是100％准确.