Dyfyniad APA

United Nations Development Programme. (2009). Human development report2009. United Nations Development Programme.

Dyfyniad Arddull Chicago

United Nations Development Programme. Human Development Report2009. New York: United Nations Development Programme, 2009.

Dyfyniad MLA

United Nations Development Programme. Human Development Report2009. United Nations Development Programme, 2009.

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