APA-ийн эшлэл(7 дахь хэвлэлт)

International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). Denmark 2011 review. OECD/IEA.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

International Energy Agency, Organisation for Economic Co-operation and Development, ба ProQuest (Firm). Denmark 2011 Review. Paris: OECD/IEA, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

International Energy Agency, et al. Denmark 2011 Review. OECD/IEA, 2011.