Unesco & International Social Science Council. (2013). World social science report 2013: Changing global environments. UNESCO.
Dyfyniad Arddull ChicagoUnesco and International Social Science Council. World Social Science Report 2013: Changing Global Environments. [Place of publication not identified]: UNESCO, 2013.
Dyfyniad MLAUnesco and International Social Science Council. World Social Science Report 2013: Changing Global Environments. UNESCO, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.