United Nations. Department of Economic and Social Affairs. (1971). Methods of projecting the economically active population.
Chicago Style (17th ed.) CitationUnited Nations. Department of Economic and Social Affairs. Methods of Projecting the Economically Active Population. New York, 1971.
MLA (9th ed.) CitationUnited Nations. Department of Economic and Social Affairs. Methods of Projecting the Economically Active Population. 1971.
Warning: These citations may not always be 100% accurate.