《梁书·列传·卷五十六》
当初，北兖州刺史定襄侯萧祗与湘潭侯萧退，以及前潼州刺史郭凤同时起兵，将去增援京城，合击侯景。
初，北兗州刺史定襄侯祗与湘潭侯退，及前潼州刺史郭凤同起兵，将赴援。
Originally, the Governor of Northern Yan, Marquis Dingxiang Xiao Zhi, as well as Marquis Xiangtan Xiao Tui, and the former Governor of Tongzhou, Guo Feng, simultaneously raised an army to go to the capital to reinforce it and to attack Hou Jing.