TY  - BOOK
AU  - Williams,Joyce
AU  - Stith,Marjorie
TI  - Middle childhood: behavior & development 
SN  - 6024279005
PY  - 1980///
CY  - New York
PB  - Macmillan
KW  - Child psychology
N1  - Includes indexes; Bibliography: p. 561-593
ER  -