TY  - BOOK
AU  - Covey, Stephen R.
TI  - Principle centered leadership
SN  - 671711350
U1  - 158.4 
PY  - 1992///
CY  - New York
PB  - Simon and schuster
KW  -  Leadership
KW  -  Success in business
KW  - Success -- Psychological aspects
ER  -