TY  - BOOK
AU  - Sigelman, Carol K. 
AU  - Rider, Elizabeth A. 
TI  - Human development across the life span
SN  - 9781111343156
U1  - Res 155 Si22 2011  
PY  - 2011///.
CY  - Australia
PB  - Wadsworth, Cengage Learning.
KW  - Developmental psychology.
KW  - Life cycle, Human.
N1  - Includes bibliographical references and index.
ER  -