APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, & Ahmed, A. (2007). World sustainable development outlook 2007: Knowledge management and sustainable development in the 21st century. Greenleaf Pub..
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, ба A. Ahmed. World Sustainable Development Outlook 2007: Knowledge Management and Sustainable Development in the 21st Century. Sheffield: Greenleaf Pub., 2007.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, ба A. Ahmed. World Sustainable Development Outlook 2007: Knowledge Management and Sustainable Development in the 21st Century. Greenleaf Pub., 2007.
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