\documentclass{article}
\usepackage{wrapfig}
\usepackage{bidi}
\newcommand\sample{Some text for our page
  that might get reused over and over again. }
\begin{document}
\section{LTR}
\begin{wraptable}[4]{l}{4cm}
 \centering
\fbox{This is ``wraptable''.}
 \caption{The Caption}\label{T1}
\end{wraptable}

\sample \sample Reference to Table~\ref{T1}.
\sample

\section{RTL}
\setRTL

\begin{wraptable}[4]{r}{4cm}
 \centering
\fbox{This is ``wraptable''.}
 \caption{The Caption}\label{T2}
\end{wraptable}

\sample \sample Reference to Table~\ref{T2}.
\sample
\end{document}