http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ngữ pháp tiếng Anh hiện đại (Song ngữ Anh - Việt): Sách ngữ pháp tiếng Anh đầy đủ và dẽ hiểu dành cho sinh viên Việt Nam =