TY  - BOOK
AU  - Hetherington,E.Mavis
AU  - Parke,Ross D
TI  - Child psychology: a contemporary viewpoint 
SN  - 007028430X :
U1  - 136.7 
PY  - 1975///
CY  - New York
PB  - Mc Graw- Hill Book
KW  - Child psychology
N1  - Includes bibliographical references and index
ER  -