《资治通鉴·唐纪·唐纪七十》
唐泾原节度使胡公素去世，泾原军将士向都统王铎请求任命新统帅，王铎承用制书任命大将张钧为泾原军留后。
泾原节度使胡公素薨，军中请命于都统王鐸，承制以大将张钧为留后。
Hu Gongsu, the governor of Jingyuan Prefecture in the Tang Dynasty, died. The generals and soldiers of Jingyuan Army requested that a new commander be appointed. Wang Duo used the imperial edict to appoint Zhang Jun as the commander of Jingyuan Army.