World Bank. Water and Sanitation Program - East Asia and the Pacific. (2007). Economic impacts of sanitation in Southeast Asia: Summary. World Bank.
Chicago-Zitierstil (17. Ausg.)World Bank. Water and Sanitation Program - East Asia and the Pacific. Economic Impacts of Sanitation in Southeast Asia: Summary. Jakarta: World Bank, 2007.
MLA-Zitierstil (9. Ausg.)World Bank. Water and Sanitation Program - East Asia and the Pacific. Economic Impacts of Sanitation in Southeast Asia: Summary. World Bank, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.