`\documentclass [12pt,a4paper,twoside,openright]{book}
\usepackage[rilegatura=1.3 cm]{layaureo}
\usepackage[latin1]{inputenc}
\usepackage[english]{babel}
\usepackage[T1]{fontenc}
\usepackage[tight,italian]{minitoc}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{lettrine}
\usepackage[babel]{csquotes}
\usepackage{biblatex}
\usepackage[Lenny]{fncychap}
\usepackage{fancyhdr}
\pagestyle{fancy}
\ChTitleVar{\LARGE\bfseries\rm\centering}
\fancyhead{}
\fancyfoot{}
\fancyfoot[RO,LE]{\thepage}
\fancyhead[LE]{{\footnotesize\nouppercase\leftmark}} % even pages!
\fancyhead[RO]{{\footnotesize\nouppercase\rightmark}} % odd pages!
\usepackage {epigraph} %epigrafe
\usepackage[bf,footnotesize]{caption}
\usepackage{doublespace}
\usepackage{chngcntr}
\counterwithin{figure}{section}
\counterwithin{table}{section}
\theoremstyle{definition}
\newtheorem{definition}{Definition}[section]
\bibliography{Bibliography}
\begin{document}
\frontmatter % per i numeri di pagina in romano
\tableofcontents % Indice
\listoffigures % Lista delle figure
\listoftables % Lista delle Tabelle
%******************************************************************
% Capitoli
%******************************************************************
\input{Chapters/Inizio} % Abstract Aknowledgments Declaration
\mainmatter % per i numeri di pagina in arabo
\input{Chapters/01-LinearBlockCodes}
\input{Chapters/02-LowDensityParityCheckCodes}
\input{Chapters/03-SC-MPC}
\input{Chapters/04-PerformanceComparison}
%******************************************************************
\backmatter
%******************************************************************
% Bibliografia
%******************************************************************
\addcontentsline{toc}{chapter}{Bibliography}
\printbibliography
%******************************************************************
\end{document}
`
quale devo usare di stile ?