APA-referens (7:e uppl.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). Hungary: 2011 review. International Energy Agency.
Chicago-referens (17:e uppl.)
International Energy Agency, Organisation for Economic Co-operation and Development, och ProQuest (Firm). Hungary: 2011 Review. Paris: International Energy Agency, 2011.
MLA-referens (9:e uppl.)
International Energy Agency, et al. Hungary: 2011 Review. International Energy Agency, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.