Dyfyniad APA

(2007). Economic regulation of urban water and sanitation services: Some practical lessons. Washington DC: World Bank.

Dyfyniad Arddull Chicago

Economic Regulation of Urban Water and Sanitation Services: Some Practical Lessons. Washington DC: World Bank, 2007.

Dyfyniad MLA

Economic Regulation of Urban Water and Sanitation Services: Some Practical Lessons. Washington DC: World Bank, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.