The encyclopedia of careers and vocational guidance :  Selecting a technician's career / 
William E. Hopke (Editor-in-Chief) 
 - 7th ed. 
 - Chicago :  J.G. Ferguson publishing co.,  1987. 
 - xvi, 528 p. 
 -  Vol. iii .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0894340832 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupations.<br/>Vocational guidance.
<br/><br/><label>LC Class. No.: </label>HF5381  / .E52