《资治通鉴·宋纪·宋纪二》
奚斤坚决请求，拓跋焘才应允，又拨给奚斤士卒一万人，派遣将军刘拔送去战马三千匹，并且留下娥清，丘堆二人，命令他们配合奚斤一道攻击夏国。
斤固请，乃许之，给斤兵万人，遣将军刘拔送马三千匹，并留娥清、丘堆使共击夏。
Xi Jin insisted on asking, and Tuoba Tao agreed. He then distributed 10,000 soldiers to Xi Jin and sent General Liu Ba to send 3,000 war horses, and he also left E Qing and Qiu Dui to coordinate with Xi Jin in attacking the Xia state.