Homans, George C. <br/><br/>
The Human Group 
/by George C.Homans 
 - London:  Routledge & Kegan Paul;  1951. 
 - xxvi,484p. 
<br/><br/><label>ISBN: </label>071003296X 
<br/><br/><label>Dewey Class. No.: </label>301.18  / HOM/H