APA-viite (7. p.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). Harnessing variable renewables: A guide to the balancing challenge. OECD/IEA.
Chicago-viite (17. p.)
International Energy Agency, Organisation for Economic Co-operation and Development, ja ProQuest (Firm). Harnessing Variable Renewables: A Guide to the Balancing Challenge. Paris: OECD/IEA, 2011.
MLA-viite (9. p.)
International Energy Agency, et al. Harnessing Variable Renewables: A Guide to the Balancing Challenge. OECD/IEA, 2011.
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