\documentclass[12pt, a4paper]{book}
% Core packages
\input{packages/core.tex}
\input{packages/extra.tex}
% Load variables
\input{datos.tex}
\begin{document}
\thispagestyle{empty}
\input{pages/01-etiqueta.tex}
\newpage\null\thispagestyle{empty}\newpage
\newpage\null\thispagestyle{empty}\newpage
\thispagestyle{empty}
\input{pages/02-portada.tex}
\newpage\null\thispagestyle{empty}\newpage
\ifdef{\addacknowledgments}{
\pagenumbering{roman}
\thispagestyle{onlyfooter}
\setcounter{page}{1}
\input{pages/03-agradecimientos.tex}
\newpage\null\thispagestyle{empty}\newpage
\thispagestyle{onlyfooter}
\setcounter{page}{2}
\input{pages/04-resumen.tex}
\newpage\null\thispagestyle{empty}\newpage
\setcounter{page}{3}
\pagenumbering{arabic}
\renewcommand{\contentsname}{Índice de contenidos}
}{
\thispagestyle{empty}
\input{pages/04-resumen.tex}
\newpage\null\thispagestyle{empty}\newpage
\setcounter{page}{2}
\pagenumbering{arabic}
\renewcommand{\contentsname}{Índice de contenidos}
}
\setcounter{tocdepth}{3}
\tableofcontents
\newpage\null\thispagestyle{empty}\newpage
\cleardoublepage
\ifdef{\configpar}{
\setlength{\parindent}{10px}
}{}
\setcounter{page}{1}
\input{pages/05-cuerpo.tex}
\cleardoublepage
\addcontentsline{toc}{chapter}{Bibliografía}
\label{chapter:references}
\printbibliography
\ifdef{\addappendix}{
\cleardoublepage
\thispagestyle{empty}
\vspace*{\fill}
\begin{center}
{\huge Apéndices}
\end{center}
\vspace*{\fill}
\appendix
\begin{appendices}
\input{pages/06-anexos.tex}
\end{appendices}
}{}
\end{document}
