Lawrence, David. <br/><br/>
Commodore 64 disk companion :  essentials routines for commodore disk users / 
By David Lawrence and Mark England. 
 - 1st ed. 
 - London :  Sunshine Books ,  1984. 
 - x,150p. ;  PB  23.7 cm 
<br/><br/><label>ISBN: </label>946408491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Saving and loading programs<br/>Sequential and user files<br/>Disk error messages
<br/><br/><label>Dewey Class. No.: </label>006.62   / LAWD