Blos, Peter.
The young adolescent: clinical studies /
Peter Blos 
. - New York : Free press, Division of Macmillan publishing Co., Inc., London : Collier Macmillan publishers,  1974 
. - xxiii, 252 p.  20 cm. 
 - (Free Press paperback )
<br/>К.: Бібліогр. : c. 252