(1998). Valuing the global environment: Actions & investments for a 21st century. Global Environment Facility.
Цитирование в стиле Чикаго (17-е изд.)Valuing the Global Environment: Actions & Investments for a 21st Century. Washington, D.C.: Global Environment Facility, 1998.
Цитирование MLA (8-е изд.)Valuing the Global Environment: Actions & Investments for a 21st Century. Global Environment Facility, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.