TY  - BOOK
AU  - Sigelman, Carol K.
AU  - Rider,Elizabeth A.
TI  - Human development: Across the life span 
SN  - 9781111343156
AV  - BF713 .S53 2012
U1  - 155 21
PY  - 2012///
CY  - Australia
PB  - Wadsworth
KW  - Developmental psychology
N1  - Includes bibliographical references and index
ER  -