http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tài liệu dùng cho các trường ĐHSP và CĐSP
Bùi Văn Huệ, Nguyễn Ngọc Bích, Đỗ Mộng Tuấn