APA-viite (7. p.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). Hungary: 2011 review. International Energy Agency.
Chicago-viite (17. p.)
International Energy Agency, Organisation for Economic Co-operation and Development, ja ProQuest (Firm). Hungary: 2011 Review. Paris: International Energy Agency, 2011.
MLA-viite (9. p.)
International Energy Agency, et al. Hungary: 2011 Review. International Energy Agency, 2011.
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