Organisation for Economic Co-operation and Development. (2013). Denmark 2013: Combined phase 1 + phase 2, incorporating phase 2 ratings. OECD Publishing.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. Denmark 2013: Combined Phase 1 + Phase 2, Incorporating Phase 2 Ratings. Paris: OECD Publishing, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. Denmark 2013: Combined Phase 1 + Phase 2, Incorporating Phase 2 Ratings. OECD Publishing, 2013.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.