《资治通鉴·宋纪·宋纪三》
甲辰，拓跋焘前往统万，于是指挥军队袭击平凉，命卫兵将军王斤镇守蒲坂。
甲辰，魏主如统万，遂袭平凉，以卫兵将军王斤镇蒲坂。
On Jiǎchén, Tuoba Tao went to Tongwan, and then commanded the army to attack Pingliang, and ordered General of the Guards Wang Jin to guard Puban.