《资治通鉴·晋纪·晋纪三十》
杨定留下司马邵疆把守秦州，亲自统领二万大军和苻崇一起进攻乞伏乾归，乞伏乾归则派遣凉州牧乞伏轲弹、秦州牧乞伏益州、立义将军越质诘归统领骑兵三万以抵抗。
定留司马邵强守秦州，帅众二万与崇共攻乾归，乾归遣凉州牧轲弹、秦州牧益州、立义将军诘归帅骑三万拒之。
Yang Ding left Sima Shaojia to guard Qinzhou and personally led an army of 200,000 soldiers to attack Qifu Gangui along with Fu Chong; Qifu Gangui dispatched prefects of Liangzhou and Qinzhou, Qifu Keta and Qifu Yizhou, and general Yue Zhijuegui to lead 30,000 cavalrymen to resist.