Singh, Gurcharan  <br/><br/>
Bhavan Nirman Takniki Avam Samagri / 
Gurcharan Singh 
 - 13nd ed. 
 - Delhi:  Standard Book;  2007. 
 - XXIV,767p.:  pb: 
<br/><br/><label>ISBN: </label>8190089382 
<br/><br/><label>Dewey Class. No.: </label>690  / SIN-B