TY  - BOOK
AU  - Beck, Robert C. 
TI  - Motivation: theories and principles 
SN  - 013111445X
AV  - 153.8 BEC
U1  - 153.8 
PY  - 2004///
CY  - Upper Saddle River, N.J.
PB  - Pearson/Prentice Hall
KW  - Motivation (Psychology)
N1  - Includes bibliographical references (p. [426]-456) and indexes
UR  -  http://www.loc.gov/catdir/toc/ecip043/2003009370.html
ER  -