\documentclass{book}
\title{Languages}\author{someone}
\begin{document}
\maketitle
\tableofcontents
\part{Introduction}
\chapter{Bakground}
\part{Classification}
\chapter{Natural Language}
\chapter{Computer Languages}
\section{Macgine Languages}
\section{High Level Languages}
\subsection{Compilded Language}
\subsection{Interpretative Language}
\subsubsection{Lisp}
\paragraph{Common Lisp}
\paragraph{Scheme}
\subsubsection{Perl}
\end{document}