Affairs, U. N. D. o. E. a. S. (1972). Demographic yearbook: 1971. The author.
Style de citation Chicago (17e éd.)Affairs, United Nations. Department of Economic and Social. Demographic Yearbook: 1971. The author, 1972.
Style de citation MLA (9e éd.)Affairs, United Nations. Department of Economic and Social. Demographic Yearbook: 1971. The author, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.