http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1300 mẫu câu tiếng Anh thông dụng trong giao tiếp hàng ngày
Kho đa phương tiện DPT.0003437, DPT.0003440, DPT.0003795