http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tìm hiểu về các ngày lễ, tết; phong tục tập quán; văn học dân gian của người La Chí
Trần Hữu Sơn (ch.b.), Nguyễn Văn Thắng, Bùi Duy Chiến