http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
(Giáo trình đào tạo giáo viên tiểu học hệ CĐSP và hệ 12+2)
Nguyễn Đình Chú...[và các tác giả khác]