APA
"United Nations I. E. A. S. A. o., "United Nations I. E. A. S. A. o., . (1998). World population prospects 1998. New: York United Nations USA.
Chicago
"United Nations International Economic And Social Affairs(Deptt of-).", "United Nations International Economic And Social Affairs(Deptt of-).", . 1998. World population prospects 1998. New: York United Nations USA.
Harvard
"United Nations I. E. A. S. A. o., "United Nations I. E. A. S. A. o., . (1998). World population prospects 1998. New: York United Nations USA.
MLA
"United Nations International Economic And Social Affairs(Deptt of-).", "United Nations International Economic And Social Affairs(Deptt of-).", . World population prospects 1998. New: York United Nations USA. 1998.
