http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
TM tài liệu tham khảo tr. 20; Gồm khoảng 10.000 câu phương ngôn thu thập được trên khắp đất nước.
Trần Gia Linh (s.t, b.dịch, g.thiệu)