TY  - BOOK
AU  - HAMM John
TI  - Unusually excellent: the necessary nine skills required for the practice of great leadership 
SN  - 9780470928431 (hbk.) :
PY  - 2011///
CY  - San Francisco
PB  - Jossey-Bass, 
KW  - LEADERSHIP
KW  - VALUES
N1  - Includes index
ER  -