http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Một số vấn đề về phương pháp dạy học lịch sử, lịch sử Việt Nam và Đông Nam Á
Tài liệu BDTX chu kỳ 1993-1996 cho giáo viên lịch sử phổ thông trung học
Phan Ngọc Liên, Trương Hữu Quýnh, Đinh Ngọc Bảo