IUCN--The World Conservation Union, (Nature Conservancy (U.S, & World Bank. (2005). ?How much is an ecosystem worth: Assessing the economic value of conservation. IUCN, the Nature Conservancy, the World Bank.
Цитирование в стиле Чикаго (17-е изд.)IUCN--The World Conservation Union, (Nature Conservancy (U.S, и World Bank. ?How Much Is an Ecosystem Worth: Assessing the Economic Value of Conservation. .Washington, DC: IUCN, the Nature Conservancy, the World Bank, 2005.
Цитирование MLA (9-е изд.)IUCN--The World Conservation Union, et al. ?How Much Is an Ecosystem Worth: Assessing the Economic Value of Conservation. IUCN, the Nature Conservancy, the World Bank, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.