Hartley, James  Ph. D. <br/><br/>
Designing instructional text 
James Hartley. 
 - London  New York  Kogan Page  Nichols Pub. Co.  1978. 
 - 124 p.  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0893970344  16.00 
<br/><br/><label>LCCN: </label>78050801 //r894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Textbooks--Authorship.<br/>Printing, Practical--Style manuals.<br/>Teaching--Aids and devices.
<br/><br/><label>LC Class. No.: </label>LB3045.5  / .H37 1978 
<br/><br/><label>Dewey Class. No.: </label>070.5/2