APA Баримт

Economic and social affairs. (2011). 2008 Energy statistics yearbook. United nations.

Чикаго маягийн жагсаалт

Economic and social affairs. 2008 Energy Statistics Yearbook. New York: United nations, 2011.

MLA ишлэл

Economic and social affairs. 2008 Energy Statistics Yearbook. United nations, 2011.