http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Thực hành đàm thoại tiếng anh ngành du lịch =
Practical english conservation for tourism
Nhà xuất bản Thành phố Hồ Chí Minh
Spoken english,Textbooks for foreign speakers