TY  - BOOK
AU  - Sigelman, Carol K
AU  - Rider, Elizabeth A
TI  - Life-span human development
SN  - 495553409
SN  - 200793897
U1  - 155 SIG 
PY  - 2009///
CY  - Australia ; Belmont, CA
PB  - Wadsworth Cengage Learning
KW  - Developmental psychology - Textbooks
N1  - Includes bibliographical references (p. R-1-R-78) and index
ER  -