TY  - BOOK
AU  - Covey, Stephen R. 
AU  - Stephen R. Covey 
TI  - Principle-Centered Leadership 
SN  - 0671792806
U1  - 158.4 
PY  - 1991///
CY  - New York 
PB  - A Fireside Book 
KW  - Leadership (Psychological aspects)
ER  -