Sprott, W. J. H. (Walter John Herbert) <br/><br/>
Human groups. 

 - Baltimore, MD :  Penguin Books,  [1958] 
 - Pelican psychology series Pelican-books ;  A346 .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 201-213. 
<br/><br/><label>LCCN: </label>58004439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social interaction.<br/>Social groups.