Cicero, Marcus Tullius..
On the Commonwealth /
Transl. with an introduction by G. H. Sabine and S.B. Smith 
. - New York; London : Macmillan Publishing Company, Collier Macmillan Publis,  1989 
. - ix, 276 p.  21 cm. 
<br/><label>  ISBN: </label>0-02-404980-8