%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-8-1 on page II-572 in "chapterbib --- Bibliographies per included file".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3exareport}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{109.80112pt}
% Small headings for the example
\makeatletter
\renewcommand\@makechapterhead[1]{%
\vspace*{20pt}%
{\setlength\parindent{0pt}\raggedright\normalfont
\large\bfseries \@chapapp\space \thechapter
\par\nobreak
\vspace{5pt}%
\interlinepenalty\@M
\LARGE \bfseries #1\par\nobreak
\vspace{20pt}%
}}
\renewcommand\section{\@startsection{section}{1}{\z@}%
{-1.25ex \@plus-1ex \@minus-.2ex}%
{.8ex}%
{\large\bfseries}}
\makeatother
% We force rewriting these files, because other examples use
% the same name:
\begin{filecontents}[force]{article-1.tex}
\stepcounter{chapter}
\ldots\ see \cite{Knuth-CT-a} \ldots
\bibliographystyle{alpha}
\bibliography{tlc}
\end{filecontents}
\begin{filecontents}[force]{article-2.tex}
\stepcounter{chapter}
\ldots see \cite{Knuth-CT-a}
and \cite{bschur} \ldots
\bibliographystyle{plain}
\bibliography{tlc}
\end{filecontents}
% Process article-1 and article-2 with BibTeX
%StartShownPreambleCommands
\begin{filecontents}{article-1.tex}
\stepcounter{chapter}
\ldots\ see \cite{Knuth-CT-a} \ldots
\bibliographystyle{alpha}
\bibliography{tlc}
\end{filecontents}
\begin{filecontents}{article-2.tex}
\stepcounter{chapter}
\ldots see \cite{Knuth-CT-a}
and \cite{bschur} \ldots
\bibliographystyle{plain}
\bibliography{tlc}
\end{filecontents}
\usepackage[sectionbib]{chapterbib}
%StopShownPreambleCommands
\begin{document}
\include{article-1}
\include{article-2}
\end{document}
