http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Niên giám thống kê quận Ô Môn năm 2006
Cục Thống Kê Thành phố Cần Thơ
Cục Thống Kê Thành phố Cần Thơ. Phòng thống kê quận Ô Môn
Vietnam,Vietnam,Can Tho province,Can Tho province