Armstrong, D. M. 1926-.
Universals: an opinionated introduction /
D.M. Armstrong 
. - Boulder : San Francisco : London : Westview Press,  1989 
. - xii, 148 p.  tab.  21 cm. 
 - (Focus series )
<br/>К.: Бібліогр. : c. 141-143, Index 
<br/><label>  ISBN: </label>0-8133-0772-4