Certamente, ecco qui:
`
\documentclass[a4paper,12pt,oneside,openright]{book}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{setspace}
\usepackage{multibib} %bibliografia suddivisa
\newcites{commenti}{commenti}
\usepackage[colorlinks=true,linkcolor=black]{hyperref}
\begin{document}
\frontmatter
\tableofcontents
\input{uno}
\mainmatter
\input{due}
\input{tre}
\backmatter
\cleardoublepage
\setcounter{secnumdepth}{-2}
\addcontentsline{toc}{chapter}{Bibliografia}
\renewcommand{\bibname}{Testi di autori antichi}
\addcontentsline{toc}{subsection}{\bibname}
\nocite{*}
\bibliographystyle{natbib_ita}
\bibliography{Antichi}
\clearpage
\renewcommand{\bibname}{Commenti moderni}
\addcontentsline{toc}{subsection}{\bibname}
\nocitecommenti{*}
\bibliographystylecommenti{natbib_ita}
\bibliographycommenti{commenti}`
\end{document}[/code]
spero possa bastare, grazie dell’attenzione!