Dyfyniad APA
(1995). Disaster prevention for sustainable development: Economic and policy issues. The World Bank.
Dyfyniad Arddull Chicago
Disaster Prevention for Sustainable Development: Economic and Policy Issues. Washington: The World Bank, 1995.
Dyfyniad MLA
Disaster Prevention for Sustainable Development: Economic and Policy Issues. The World Bank, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.