http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung trình theo 2 phần gồm: phần 1 là tóm tắt lí thuyết, câu hỏi, bài tập và thực hành. Phần 2 là hướng dẫn trả lời, câu hỏi, bài tập và thực hành. Giúp các em so sánh với kết quả và rút ra kinh nghiệm.