Hänvisningar gällande denna post

APA-referens (7:e uppl.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Natural gas information (2009 ed.). OECD : International Energy Agency.
Chicago-referens (17:e uppl.)
International Energy Agency, Organisation for Economic Co-operation and Development, och ProQuest (Firm). Natural Gas Information. 2009 ed. Paris: OECD : International Energy Agency, 2009.
MLA-referens (9:e uppl.)
International Energy Agency, et al. Natural Gas Information. 2009 ed. OECD : International Energy Agency, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.