《新唐书·本纪·卷五·睿宗 玄宗》
天宝四载正月二十八日，忠王李嗣与突厥军在萨河内山交战，打败突军。
四载正月丙戌，王忠嗣及突厥战于萨河内山，败之。
On January 28 of the fourth year of Tianbao, King Zhong Li Si fought against the Turkic army in Nei Shan, Sa River, and defeated the Turkic army.