APA
"United Nations E. a. S. I. a. P. A. (. o., "United Nations E. a. S. I. a. P. A. (. o., . (1994). "Population, environment and development". New: York UN.
Chicago
"United Nations Economic and Social Information and Policy Analysis (Deptt of-)", "United Nations Economic and Social Information and Policy Analysis (Deptt of-)", . 1994. "Population, environment and development". New: York UN.
Harvard
"United Nations E. a. S. I. a. P. A. (. o., "United Nations E. a. S. I. a. P. A. (. o., . (1994). "Population, environment and development". New: York UN.
MLA
"United Nations Economic and Social Information and Policy Analysis (Deptt of-)", "United Nations Economic and Social Information and Policy Analysis (Deptt of-)", . "Population, environment and development". New: York UN. 1994.
