documentclass[13pt, twoside, openright]{book}

documentclass[13pt, twoside, openright]{book}
linespread{1.3}
usepackage[textheight=textheight,textwidth=textwidth,bindingoffset=3cm,vcentering]{geometry}
usepackage{enumitem}
usepackage[greek,english]{babel}
usepackage[utf8]{inputenc}
usepackage{graphicx}
usepackage{sectsty,lmodern}
usepackage{float}
usepackage{media9}

usepackage[backend=biber,style=numeric, defernumbers=true]{biblatex}

addbibresource{bib/references.bib}

graphicspath{ {img/} }
chapternumberfont{fontsize{20pt}{18pt}selectfont}
chaptertitlefont{fontsize{20pt}{18pt}selectfont}
addtolength{skipfootins}{2pc plus 2pt}
usepackage{fancyhdr}
usepackage[begintext=“, endtext=”]{quoting}
quotingsetup{vskip=2pt}
pagestyle{fancyplain}
fancyhf{}
renewcommand{headrulewidth}{0pt}
renewcommand{footrulewidth}{0pt}
fancyfoot[LE,RO]{thepage}
usepackage[citecolor=black]{hyperref}
hypersetup{
    colorlinks=true,
    linkcolor=blue,
    filecolor=magenta,
    urlcolor=blue,
    bookmarks=true
}
urlstyle{same}


input{titlepage/Titlepage-Generic-Config}

begin{document}
frontmatter
input{titlepage/Titlepage}
{
  hypersetup{linkcolor=black}
  clearpage
  tableofcontents
}

mainmatter
chapter*{Abstract}
...
newpage
printbibliography[keyword={biblio}, heading=bibintoc, title={Bibliography}]
newpage
printbibliography[keyword={site}, heading=bibintoc, title={Sitography}]

end{document}