Goldman, Guido..
The German political system /
foreword by S. H. Beer. - 3-d edition 
. - New York  : Random House,  1974 
. - X, 228 p. : map.  23 cm. 
<br/>К.: Бібліогр : с. 219-221. 
<br/><label>  ISBN: </label>0-394-31820-X