Barzun, Jacques and Graff, Henry F. <br/><br/>
The modern researcher 

 - 3rd ed. 
 - New York  ; Harcourt Brace Jovanovich  , 1977 
 - xix, 378p. 
<br/><br/><label>ISBN: </label>015562511x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>001.4  / BAR