APA
"UN E. a. S. A. (. o., "UN E. a. S. A. (. o., . (1979). World population trends and policies report. : .
Chicago
"UN Economic and Social Affaires (Deptt of-)", "UN Economic and Social Affaires (Deptt of-)", . 1979. World population trends and policies report. : .
Harvard
"UN E. a. S. A. (. o., "UN E. a. S. A. (. o., . (1979). World population trends and policies report. : .
MLA
"UN Economic and Social Affaires (Deptt of-)", "UN Economic and Social Affaires (Deptt of-)", . World population trends and policies report. : . 1979.
