《资治通鉴·唐纪·唐纪六十四》
唐宣宗于是下诏请百官来集体议论，册封黠戛斯可汗的事也就放下来了。
诏百官集议，事遂寝。
Emperor Xuanzong of Tang then issued an imperial decree asking all officials to discuss the matter collectively, and the matter of conferring the title of Khan on Hequsi was put down for the time being.