\documentclass[letterpaper,11pt,twoside,brazil]{book}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{a4wide}
%\setcounter{secnumdepth}{3}
%\setcounter{tocdepth}{3}
%\setlength\parskip{\medskipamount}
%\setlength\parindent{0pt}
%\usepackage{float}
\usepackage{url}
\usepackage{setspace}
\usepackage{listings}
\usepackage[brazil]{babel}
\usepackage{moreverb}
\usepackage{color}
\usepackage{graphicx}
\usepackage{pslatex}

\usepackage{shadow}
\usepackage{fancybox}
\usepackage{boxedminipage}

%\usepackage{fancyhdr}
%\pagestyle{fancy}

\setlength{\hoffset}{-0.75cm}
\setlength{\voffset}{-0cm}
\setlength{\textheight}{21 cm}
\setlength{\textwidth}{17cm}

%\onehalfspacing
\makeatletter
%\makeatother
