T&D Report 2005 - National Grid Maps Europe & CIS. ABS Energy Research.
Chicago Style (17th ed.) ZitazioaT&D Report 2005 - National Grid Maps Europe & CIS. ABS Energy Research.
MLA (9th ed.) ZitazioaT&D Report 2005 - National Grid Maps Europe & CIS. ABS Energy Research.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.