Naciones Unidas Departamento de Asuntos Económicos y Sociales Internacionales. (1989). Conceptual issues and methods for preparing demographic projections. New York: United Nations.
Chicago Style CitationNaciones Unidas Departamento de Asuntos Económicos y Sociales Internacionales. Conceptual Issues and Methods for Preparing Demographic Projections. New York: United Nations, 1989.
MLA CitationNaciones Unidas Departamento de Asuntos Económicos y Sociales Internacionales. Conceptual Issues and Methods for Preparing Demographic Projections. New York: United Nations, 1989.
Warning: These citations may not always be 100% accurate.