TY  - GEN
AU  - Sigelman,Carol K.
AU  - Rider, Elizabeth A.
TI  - Life-Span Human Development
SN  - 9780495506188
U1  - 155 22
PY  - 2009///
CY  - Belmont
PB  - Wadsworth/Cengage Learning
KW  - Developmental psychology
N1  - Includes bibliographical references and index
ER  -