Erich Gamma  Richard Helm  Ralph Johnson  John Vlissides <br/><br/>
Design Patterns :Elements of Reusable Object Oriented Software 

 - 1 
 - New Delhi  Pearson Education  2011 
<br/><br/><label>ISBN: </label>978-9332555402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CSE
<br/><br/><label>Dewey Class. No.: </label>005.06