http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Địa lí Kinh tế - Xã hội Châu Mỹ, Châu Phi và Châu Đại Dương
Bùi Thị Hải Yến;Phạm Thị Ngọc Diệp; Nguyễn Yến Ngọc