《资治通鉴·唐纪·唐纪十七》
郭待封带领水军从另外一条路向平壤进发，李世派别将冯师本运载粮食武器资助他。
郭待封以水军自别道趣平壤，勣遣别将冯师本载粮仗以资之。
Guo Daifeng leads the navy to march on Pingyang from another way, Li Shi asks Feng Shiben to carry the food and weapons to support them.