The waite group's MS-DOS developer's guide 
John Angermeyer ... et al. 
 - 2nd ed. 
 - Indianapolis, Ind.  Howard W. Sams  1989 
 - 783 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>0672226308 
<br/><br/><label>LCCN: </label>88-062227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS-DOS (Computer operating system)