(1998). Valuing the global environment: Actions & investments for a 21st century. Global Environment Facility.
Citação do estilo Chicago (17ª ed.)Valuing the Global Environment: Actions & Investments for a 21st Century. Washington, D.C.: Global Environment Facility, 1998.
Citação MLA (8ª ed.)Valuing the Global Environment: Actions & Investments for a 21st Century. Global Environment Facility, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.