Ross,Robert S. <br/><br/>
American National Government :   Institutions , Policy and Participation /  eng. 
Robert S. Ross 
 - 4 th ed. 
 - U,S.A :  McGraw Hill,  1996. 
 - xvii,394p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>1561344095 
<br/><br/><label>Dewey Class. No.: </label>320.473  / ROS