Dyfyniad APA

World Bank. (2000). Energy services for the world's poor. Washington DC: The World Bank.

Dyfyniad Arddull Chicago

World Bank. Energy Services for the World's Poor. Washington DC: The World Bank, 2000.

Dyfyniad MLA

World Bank. Energy Services for the World's Poor. Washington DC: The World Bank, 2000.

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