《资治通鉴·唐纪·唐纪四十六》
于是朱向李怀光颁赐诏书，以臣属的礼节对待他，并且征调他的军队。
泚乃赐怀光诏书，以臣礼待之，且征其兵。
According, Zhu issued an imperial edict to Li Huaiguang, treating him with the etiquette of a subject minister, and conscripting his troops.