APA
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (1979). World population trends and policies 1977 moniloring report. New: York UN.
Chicago
"United Nations Economic and Social Affairs (Deptt of-)", "United Nations Economic and Social Affairs (Deptt of-)", . 1979. World population trends and policies 1977 moniloring report. New: York UN.
Harvard
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (1979). World population trends and policies 1977 moniloring report. New: York UN.
MLA
"United Nations Economic and Social Affairs (Deptt of-)", "United Nations Economic and Social Affairs (Deptt of-)", . World population trends and policies 1977 moniloring report. New: York UN. 1979.