Yuwen Shu, Grand General of the Left… (608) — the same event in Book of Sui and Zizhi Tongjian

Book of Sui: Yuwen Shu, Grand General of the Left Wing Guard, defeated the Tuyuhun at Mantou and Chishui.; Zizhi Tongjian: In 608, when Yuwen Shu…

What each source says

Book of Sui (Suishu), Imperial Annals · AD 608

Yuwen Shu, Grand General of the Left Wing Guard, defeated the Tuyuhun at Mantou and Chishui.

左翊衞大將軍宇文述破吐谷渾於曼頭、赤水
Location: 隋書 卷003 帝紀 大業4年7月

Zizhi Tongjian (Comprehensive Mirror) · AD 608

In 608, when Yuwen Shu reaches Linqiang city, the Tuyuhun flee west in fear; Shu pursues, takes the two cities Mantou and Chishui, beheads more than 3,000, and captures 200 people from princes downward and 4,000 men and women.

述至臨羌城,吐谷渾畏述兵盛,不敢降,帥眾西遁,述引兵追之,拔曼頭、赤水二城,斬三千餘級,獲其王公以下二百人,虜男女四千口而還。
Location: 권181 608년 항

Show on the map — open Book of Sui (Suishu), Imperial Annals