TY  - BOOK
AU  - Shaffer,David R
TI  - Developmental psychology childhood and adolescence
SN  - 0-534-57214-6
AV  - BF721.S4688 
PY  - 2001///
CY  - Canberra
PB  -  : Wadsworth Thomson Learning
KW  - Child psychology,
KW  - Adolescent psychology
ER  -