http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
New Edition grammar practice for intermediate students
Nxb. Trẻ ; Công ty Văn hoá Sáng tạo Trí Việt
Elaine Walker, Steven Elsworth ; Thực hiện: Lê Thành Tâm, Lê Ngọc Phương Anh