http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cẩm nang lập trình; T2: Cho DOS từ 2.0 tới 5.0, cho các loại màn hình MA, CGA, EGA, VGA, thông báo cấchmf và ngắt chưa từng được công bố