SIMPSON, A.: <br/><br/>
Understanding dBase IV 1.1 

 - 2nd ed. 
 -  San Francisco : SYBEX  1989 
 - 967 p. 
<br/><br/><label>ISBN: </label>0000895886332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATABASE MANAGEMENT : DBASE IV
<br/><br/><label>Dewey Class. No.: </label>005.75  / S35