http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Từ thế kỉ X- đến giữa thế kỉ XVIII
Bùi Văn Nguyên, Hoàng Ngọc Trí, Nguyễn Sĩ Cẩn
vietnamese literature - history and criticism