http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tố Hữu ; Hà Minh Đức (Sưu tầm, biên soạn và giới thiệu)
Tố Hữu,Vietnamese literature,Tố Hữu,Thơ Việt Nam thế kỷ 20