United Nations. Department of Social Affairs. (1949). Problems of migration statistics. United Nations, Department of Social Affairs.
Style de citation Chicago (17e éd.)United Nations. Department of Social Affairs. Problems of Migration Statistics. Lake Success, N.Y: United Nations, Department of Social Affairs, 1949.
Style de citation MLA (9e éd.)United Nations. Department of Social Affairs. Problems of Migration Statistics. United Nations, Department of Social Affairs, 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.