APA (7e ed.) Bronvermelding

World Resources Institute, United Nations Environment Programme, & United Nations Development Programme. (1990). World resources. Oxford University Press.

Chicago (17e ed.) Bronvermelding

World Resources Institute, United Nations Environment Programme, en United Nations Development Programme. World Resources. New York: Oxford University Press, 1990.

MLA (8e ed.) Bronvermelding

World Resources Institute, et al. World Resources. Oxford University Press, 1990.