Date, C.J. <br/><br/>
Introduction to database systems 
C.J. Date, A. Kannan, S. Swamynathan. 
 - 8th ed. 
 - New Delhi  Pearson,  2006. 
 - xxvii; 931 p.  24 cm. 
<br/><br/><label>ISBN: </label>8177585568 (paperback) 9788177585568 (paperback) 
<br/><br/><label>Source: </label> 1009.00 PKR