http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn ôn tập và làm bài thi môn Lịch sử
Nguyễn Thị Côi, Trần Bá đệ, Nguyễn Tiến Hỷ,...[và những người khác]