Group, W. B. (2019). Improving the Water Quality of Lake Toba, Indonesia. World Bank, Washington, DC.
Chicago Style (17th ed.) CitationGroup, World Bank. Improving the Water Quality of Lake Toba, Indonesia. World Bank, Washington, DC, 2019.
MLA (8th ed.) CitationGroup, World Bank. Improving the Water Quality of Lake Toba, Indonesia. World Bank, Washington, DC, 2019.
Warning: These citations may not always be 100% accurate.