Não informado. (2000). The Least developed countries. United Nations.
Style de citation Chicago (17e éd.)Não informado. The Least Developed Countries. Geneva, Suíça: United Nations, 2000.
Style de citation MLA (8e éd.)Não informado. The Least Developed Countries. United Nations, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.