http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sổ tay tra cứu AutoCAD 13 (Bao gồm cả DOS, Windows và Windows NT)
Randall A Maxey, Erik W Olson; Dịch giả: Mai Hạo Nhiên
autocad ( computer program language ),autocad ( computer-aided design )