《资治通鉴·唐纪·唐纪四十》
崔旰转移到深山，郭英义又亲自率军进攻崔旰，声称帮助崔旰防御吐蕃。
旰转徙入深山，英乂自将兵攻之，声言助旰拒守。
Cui Gan moved to the deep mountains, and Guo Yingyi personally led the army to attack Cui Gan again, claiming to help Cui Gan defend Tubo.