TY  - BOOK
AU  - Steinberg,Laurence D.
TI  - Lifespan development: infancy through adulthood 
T2  - Cengage advantage books
SN  - 9780618721566
PY  - 2011///
CY  - Belmont, CA
PB  - Wadsworth Cengage Learning
KW  - Developmental psychology
KW  - Life cycle, Human
ER  -