APA aipamena

(2011). Energy balances and electricity profiles 2008. UN.

Chicago Style aipamena

Energy Balances and Electricity Profiles 2008. New York: UN, 2011.

MLA aipamena

Energy Balances and Electricity Profiles 2008. UN, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.