Programming with Microsoft visual basic 2015 / 
Zak, Diane 
 - 7th ed. 
 - Massachusetts :  Cengage Learning,  2015. 
 - xxiv, 883 p.: col. ill; 27.5 cm, 
<br/><br/>Includes appendices and index 
<br/><br/><label>ISBN: </label>9781285860268 
<br/><br/><label>Dewey Class. No.: </label>C 005.133 Z137 2015