Barcode

\documentclass{article}
\usepackage{auto-pst-pdf}
\ifpdf
  \usepackage{tikz}
\else
  \usepackage{pst-barcode}
\fi
\begin{document}
foo
%
\begin{pspicture}(0,-5mm)(2.5in,0.4in)
    \psbarcode{AB123456}{includetext height=0.375}{code39}
\end{pspicture}

\begin{pspicture}(-0.4in,0)(5mm,2.5in)
    \psbarcode{978-80-87106-00-6}{height=0.375}{isbn}
\end{pspicture}

\end{document}