http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn truy cập nhanh Internet và các địa chỉ internet nổi tiếng tại Việt Nam và trên thế giới
Sách hướng dẫn truy cập nhanh Internet và các địa chỉ internet nổi tiếng tại Việt Nam và trên thế giới.