http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Những nguyên lý cơ bản của chủ nghĩa Mác - Lênin
Tài liệu phục vụ dạy và học chương trình các môn lý luận chính trị trong các trường ĐH, CĐ