APA
"United Nations I. E. a. S. A. (. o., "United Nations I. E. a. S. A. (. o., . (1992). Long range world population projections. New: York United Nations USA.
Chicago
"United Nations International Economic and Social Affairs (Deptt of-)", "United Nations International Economic and Social Affairs (Deptt of-)", . 1992. Long range world population projections. New: York United Nations USA.
Harvard
"United Nations I. E. a. S. A. (. o., "United Nations I. E. a. S. A. (. o., . (1992). Long range world population projections. New: York United Nations USA.
MLA
"United Nations International Economic and Social Affairs (Deptt of-)", "United Nations International Economic and Social Affairs (Deptt of-)", . Long range world population projections. New: York United Nations USA. 1992.
