APA引文

(2002). World resources 2000-2001: People and ecosystems: the fraying web of life. World Resources Institute.

Chicago Edition Citation

World Resources 2000-2001: People and Ecosystems: The Fraying Web of Life. Washington: World Resources Institute, 2002.

MLA引文

World Resources 2000-2001: People and Ecosystems: The Fraying Web of Life. World Resources Institute, 2002.

警告：这些引文格式不一定是100％准确.