\documentclass[12pt,a4paper,twoside]{book}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[italian]{babel}
% images
\usepackage{graphicx}
% interline
\renewcommand{\baselinestretch}{1.5}
% page geom
\usepackage{geometry}
\geometry{
a4paper,
left=20mm,
right=20mm,
top=20mm,
bottom=20mm
}
\begin{document}
\begin{titlepage}
\begin{center}
% marchio di ateneo
\includegraphics[width=6.5cm,height=4.7cm]{marchio-di-ateneo.png}
\vspace{10mm}
% \large is 12pt
{\large{\bf{Dipartimento di }}}
\vspace{5mm}
% \Large is 14.4pt
{\Large{\bf{Corso di Laurea in }}}
\vspace{15mm}
{\Huge{\bf Thesis title goes here }}\\
\vspace{3mm}
{\Huge{\bf can \textit{expand here} and}}\\
\vspace{3mm}
{\Huge{\bf finally here }}\\
\vspace{3mm}
\end{center}
\vspace{10mm}
\begin{minipage}[t]{0.40\textwidth}
{\Large{\bf Relatore: \\ Chiar.mo Prof.\\ Name Surname}}
\vspace{3mm}
{\Large{\bf Correlatore: \\ Chiar.mo Prof.\\ Name Surname}}
\end{minipage}
\hfill
\begin{minipage}[t]{0.40\textwidth}\raggedleft
{\Large{\bf Presentata da: \\ Name Surname}}
\end{minipage}
\vspace{30mm}
\rule[0.5cm]{15.8cm}{0.6mm}
\begin{center}
{\large{\bf Sessione month year \\}}
{\large{\bf Anno Accademico 20xx/20xx\\}}
\end{center}
\end{titlepage}
\end{document}
