http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
How to master skills for the TOEFL IBT Speaking basic
Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt
Arthur H. Milch, Denise McCormack, Jasmine C. Swaney; Lê Huy Lâm (chú giải)
Kho giáo trình KGT.0051044, KGT.0051050