《资治通鉴·唐纪·唐纪十三》
俟利已经失去部众，便轻骑入京朝见，太宗任命他为右武卫将军。
俟利苾既失众，轻骑入朝，上以为右武卫将军。
Shili, having lost his followers, entered the capital on a light horse to pay respects to the imperial court. Taizong appointed him as General of the Right Guards.