《资治通鉴·唐纪·唐纪十一》
弃宗弄赞于是发兵攻打吐谷浑，吐谷浑军队抵抗不住，逃到青海北面，百姓的牲畜多被吐蕃掠走。
弄赞遂发兵击吐谷浑。吐谷浑不能支，遁于青海之北，民畜多为吐蕃所掠。
Qidong Zang consequently attacked the Tuyuhuns, whose troops could not withstand them and fled to the north of Qinghai. Most of the people's livestock was plundered by Tufan.