Sivarajan, V V , <br/><br/>
Introduction to the principles of plant taxonomy 

 - 2th edition. 
 - New Delhi:  Oxford and Ibh Publication Co.,  2005. 
 - 659. 
<br/><br/><label>ISBN: </label>8120404459 
<br/><br/><label>Dewey Class. No.: </label>580.12  / SIV