United nations. (1997). Government views on the relationships between population and environment. UN.
Чикаго маягийн жагсаалтUnited nations. Government Views on the Relationships Between Population and Environment. New York: UN, 1997.
MLA ишлэлUnited nations. Government Views on the Relationships Between Population and Environment. UN, 1997.
Warning: These citations may not always be 100% accurate.