APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.