http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn ôn tập kì thi trung học phổ thông quốc gia môn khoa học xã hội
Lê Kim Long (ch.b), Đặng Thị Liên, Nguyễn Thị Thanh Hoa, .. [và những người khác]