APA引文

World Resources Institute & United Nations Environment Programme. (1986). World resources. World Resources Institute.

Chicago Style (17th ed.) Citation

World Resources Institute and United Nations Environment Programme. World Resources. Washington, D.C.: World Resources Institute, 1986.

MLA引文

World Resources Institute and United Nations Environment Programme. World Resources. World Resources Institute, 1986.

警告：這些引文格式不一定是100％准確.