World Bank. (1997). Clear water, blue skies: China's environment in the new century. World Bank.
Chicago-referens (17:e uppl.)World Bank. Clear Water, Blue Skies: China's Environment in the New Century. .Washington, D.C: World Bank, 1997.
MLA-referens (9:e uppl.)World Bank. Clear Water, Blue Skies: China's Environment in the New Century. World Bank, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.