United Nations Development Programme. (1997). Energy after Rio: Prospects and Challenges. UNDP.
Чикаго маягийн жагсаалтUnited Nations Development Programme. Energy After Rio: Prospects and Challenges. New York: UNDP, 1997.
MLA ишлэлUnited Nations Development Programme. Energy After Rio: Prospects and Challenges. UNDP, 1997.
Warning: These citations may not always be 100% accurate.