http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Oxford English practice Grammar with answers
Ngữ pháp tiếng anh nâng cao :Advanced
Gồm 17 chủ điểm ngữ pháp tiếng Anh. Sau mỗi bài học có phần kiểm tra kèm theo đáp án.
George Yule; Hồng Đức (dịch và giới thiệu)