http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hướng dẫn dạy học môn Lịch sử và Địa lí trung học cơ sở theo Chương trình giáo dục phổ thông mới
Phạm Hồng Tung, Nguyễn Viết Thịnh (đồng chủ biên), Phan Ngọc Huyền, ... [những người khác]