http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
900 câu tiếng Anh trình độ cơ bản
Joshua Kirkman; Nguyễn Thành Yến (dịch)
Kho giáo trình KGT.0050754, KGT.0050755