http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hệ thống phân loại thập phận Dewey
Sách hướng dẫn cán bộ thư viện cách phân loại sách dựa theo khung phân loại Thập phân Dewey.
Melvil Dewey ; Đoàn Huy Oánh biên dịch