Styl cytowania APA

World Bank. (2009). Global experience of expanding water and sanitation services to the urban poor. World Bank.

Styl cytowania Chicago

World Bank. Global Experience of Expanding Water and Sanitation Services to the Urban Poor. Washington: World Bank, 2009.

Styl cytowania MLA

World Bank. Global Experience of Expanding Water and Sanitation Services to the Urban Poor. World Bank, 2009.