Willis, Christopher James. <br/><br/>
Practice and procedure for the quantity surveyor / 
Christopher J. Willis and Allan Ashworth. 
 - 9th ed. 
 - Oxford :  BSP Professional Books,  1990. 
 - ix, 249 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0632029323 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building--Estimates--Great Britain.