TY  - BOOK
AU  - Williams,Joyce
AU  - Stith,Marjorie M.
TI  - Middle childhood: behavior and development 
SN  - 0024278904
PY  - 1974///
CY  - New York
PB  - Macmillan
KW  - Child psychology
N1  - Bibliography: p. 459-478
ER  -