I need to change the font size of reference title in ctexbook. An obvious way is redefining the \bibname macro. However, that would change the heading as well. For example,
\renewcommand{\bibname}{\zihao{2} 参考文献}
leads to 
So, my question is how to change the font size of the title without affecting the heading. Since biblatex is incompatible with many other packages, I would prefer non-biblatex solution.
\chapteror\section. so unless the document class is known, it's not possible to help. – barbara beeton Apr 07 '16 at 17:09ctexbook. I guess the problem exists in other document classes as well. – cqdjyy01234 Apr 08 '16 at 00:35