Derbyshire, J. Denis. <br/><br/>
Political systems of the world/ 
by J. Denis Derbyshire and Ian D. Derbyshire. 
 - new e.d. 
 - Oxford :  Helicon Publishing Ltd,  1999. 
 - v. :  maps; 
<br/><br/><label>ISBN: </label>9781859863039 1859863035 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science Constitutions.  Political parties --World politics--Governments
<br/><br/><label>Dewey Class. No.: </label>320.3