http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Basic vocabulary in use (with answers) =
Learner training; Everyday verbs; Words and grammar; People; ...
Michael McCarthy, Felecity O'Dell, with Ellen Shaw ; chú giải: Nguyễn Văn Phước, ban biên dịch First News.