United Nations. Dept. of Economic and Social Affairs. (1989). Global estimates and projections of population by sex and age: The 1988 revision. United Nations.
Chicago Style (17th ed.) CitationUnited Nations. Dept. of Economic and Social Affairs. Global Estimates and Projections of Population by Sex and Age: The 1988 Revision. New York: United Nations, 1989.
MLA (8th ed.) CitationUnited Nations. Dept. of Economic and Social Affairs. Global Estimates and Projections of Population by Sex and Age: The 1988 Revision. United Nations, 1989.
Warning: These citations may not always be 100% accurate.
