Secretarial procedures and administration 
Hanna, J. Marshall. 
 - Sixth edition. 
 -  South West Publishing Company.  1973 
 - 758 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-538-11720-6 
<br/><br/><label>Dewey Class. No.: </label>651.02 Ha19s 1973