Book of Northern Qi: In the twelfth month, when the Tujue attacked the Rouran, Gao Yang marched north from Jinyang, settled the Rouran at the Mayi…
In the twelfth month, when the Tujue attacked the Rouran, Gao Yang marched north from Jinyang, settled the Rouran at the Mayi River, and personally pursued the Tujue from Shuozhou, receiving their submission.
親追突厥於朔州，突厥請降，許之而還
Location: 北齊書 卷4
He attacked the Tujue, deposed the Rouran khan Kuti, placed Anluochen, son of Anrui, at the Mayi River, and received the Tujue's surrender.
立阿那瓌子菴羅辰為主，置之馬邑川
Location: 北史 卷7 天保4年