Hetherington, E. Mavis  1926- <br/><br/>
Child psychology :  a contemporary viewpoint / 
E. Mavis Hetherington, Ross D. Parke. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  c1986. 
 - xx, 763, [38] p. :  ill. (some col.) ;  25 cm. 
 - McGraw-Hill series in psychology .