Ekeh, Peter P. <br/><br/>
Social exchange theory :the  two traditions 

 - London   Heinemann Educational  1974 
 - xv, 237 p.   ill. ; index 
<br/><br/><label>ISBN: </label>0735822756 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology<br/>Social psychology
<br/><br/><label>LC Class. No.: </label>MED HM24  / E37