United Nations. Economic Commission for Europe. (1974). Economic survey of Europe in 1973: The European economy in 1973. United Nations.
Style de citation Chicago (17e éd.)United Nations. Economic Commission for Europe. Economic Survey of Europe in 1973: The European Economy in 1973. United Nations, 1974.
Style de citation MLA (9e éd.)United Nations. Economic Commission for Europe. Economic Survey of Europe in 1973: The European Economy in 1973. United Nations, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.