%!TEX TS-program = xelatexmk \documentclass[10pt]{article} % FONTS \usepackage{fontspec} \defaultfontfeatures{Mapping=tex-text} \setromanfont [Ligatures={Common}, BoldFont={Fontin Bold}, ItalicFont={Fontin Italic}]{Fontin} \setsansfont [Ligatures={Common}, BoldFont={Fontin Sans Bold}, ItalicFont={Fontin Sans Italic}]{Fontin Sans} \setmonofont[Scale=0.8]{Monaco} %Bib spec \usepackage{natbib} \usepackage{bibunits} \defaultbibliographystyle{unsrtnat} % DOCUMENT \begin{document} \section*{An early section} Some text here....1 \begin{bibunit} Some text with citations here ... \cite{sCox03} ....2. \renewcommand{\refname}{Refs for an early section} \nocite{Cox:1998fu} \putbib[unified] \end{bibunit} \section*{A later section} More text here....3 \begin{bibunit} More citations here ... \cite{Panjer:1998} ... 4 \renewcommand{\refname}{Refs for a later section} \nocite{Cox:1997zh} \putbib[unified] \end{bibunit} Some more text ....6. \end{document}