Dyfyniad APA
ebrary, Inc, & Ahmed, K. (2005). Environmental health and traditional fuel use in Guatemala. World Bank.
Dyfyniad Arddull Chicago
ebrary, Inc, and Kulsum Ahmed. Environmental Health and Traditional Fuel Use in Guatemala. Washington, D.C.: World Bank, 2005.
Dyfyniad MLA
ebrary, Inc, and Kulsum Ahmed. Environmental Health and Traditional Fuel Use in Guatemala. World Bank, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.