Punjab-Traffic and transport manual 2008  Signs, Signals and pavement markings 
Govt of Panjab 
 - Lahore:  Govt of Punjab,  2006. 
 - 346p.  Volume-1 
<br/><br/> HBK 
<br/><br/><br/>Eng 
<br/><br/><label>Dewey Class. No.: </label>625.794  / PUN