(1998). Valuing the global environment: Actions & investments for a 21st century. Global Environment Facility.
Chicago (17e ed.) BronvermeldingValuing the Global Environment: Actions & Investments for a 21st Century. Washington, D.C.: Global Environment Facility, 1998.
MLA (8e ed.) BronvermeldingValuing the Global Environment: Actions & Investments for a 21st Century. Global Environment Facility, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.