http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Di chúc của chủ tịch Hồ Chí Minh và công cuộc đổi mới đất nước
Nguyễn Thế Nghĩa, Nguyễn Thanh Bình