Gw basic :   version 3.2 especification /   2 
Microsoft Corporation 
 - 1a. ed. 
 - [S. L.] :  Microsoft Corporation,  1987 
 -  22 cm ;   
<br/><br/><label>LC Class. No.: </label> / G 95 
<br/><br/><label>Universal Decimal Class. No.: </label>800.92(035