Copeland, John G., Kite, Ralph, Sandstedt, Lynn..
Civilizacin̤ y cultura /

. - New York ; Toronto ; London  : Holt, Rinehart and Winston,  1977 
. - X, 172, XXXI p.  24 cm. 
<br/>К.: Іл. 
<br/><label>  ISBN: </label>0-03-014666-6