Passing arguments by reference and address
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c">How to pass objects to functions in C++?</a>  </p>
</blockquote>



<p>When should I be passing arguments by reference and when passed by address?</p>

<p>I mean Except the case of pass by const reference, is there any difference between the two.</p>
