《资治通鉴·唐纪·唐纪四》
突厥人任命苑君璋为大行台，统领刘武周的余部，仍然令郁射设督兵协助镇守。
突厥又以君璋为大行台，统其馀众，仍令郁射设督兵助镇。
The Turks appointed Yuan Junzhang as the Grand Chancellor, to control Liu Wuzhou's remaining troops, and still ordered Yushishe to supervise the troops and assist in guarding them.