《资治通鉴·魏纪·魏纪四》
等到诏书送到，毕轨已经进军到阴馆驻屯，派遣将军苏尚、董弼追击鲜卑人。
比诏书到，轨已进军屯阴馆，遣将军苏尚、董弼追鲜卑。
When the edict was delivered to Bi Gui, he had already arrived in Yingguan and sent the generals Su Shang and Dong Bi to pursue the Xianbei.