TY  - BOOK
AU  - McClelland David Clarence
TI  - Studies in motivation
AV  - BF683 .M23
U1  - 159.4 
PY  - 1955///]
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Motivation (Psychology)
KW  - 分析
N1  - Includes bibliographies
ER  -