《后汉书·本纪·光武帝纪下》
马成平定武都。趁陇西太守马援打败了先零羌，便把武都民众迁到天水、陇西、扶风。
马成平武都，因陇西太守马援击破先零羌，徙致天水、陇西、扶风。
Ma Cheng pacified Wudou. During the period when the governor of Longxi, Ma Yuan, defeated Xianling Qiang, he moved the people of Wudou to Tianshui, Longxi and Fufeng.