TY  - GEN
AU  - Covey,Stephen R.
TI  - Principle-centered leadership 
SN  - 0-671-71135-0
U1  - 158 
PY  - 1992///
CY  - London
PB  - Simon & Schuster
KW  - F?agsledning
KW  - Ledarskap
KW  - Leadership
ER  -