《资治通鉴·唐纪·唐纪二十六》
可汗为什么不穿戴大唐的服饰，让各部落的人都知道这件事，这样不是很好吗！ 
可汗何不袭唐冠带，使诸胡知之，岂不美哉！ 
Why don't you, Khan, wear the Tang costume to let everybody in all the tribes know about this event? That would be good, wouldn't it?