APA-referens (7:e uppl.)
The International Bank for Reconstruction and Development. (1993). Valuing the environment. The Woprld Bank.
Chicago-referens (17:e uppl.)
The International Bank for Reconstruction and Development. Valuing the Environment. Washington, D.C: The Woprld Bank, 1993.
MLA-referens (9:e uppl.)
The International Bank for Reconstruction and Development. Valuing the Environment. The Woprld Bank, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.