Whitney, Frederick Lamson <br/><br/>
Elements of research   

 - 3rd ed. 
 - Englewood Cliffs  Prentice-Hall  1950 
 - 539 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>001.43  / W618