La Putt, Junny P. <br/><br/>
Elementary surveying. 

 - 3rd ed. 
 - Baguio City :  Baguio Research and Publishing Center,  c1987. 
 - 643 p. :  ill. ;  22 cm. 
<br/><br/> Includes bibliography (p.635-638) and index. 
<br/><br/><label>ISBN: </label>9710855816