TY  - BOOK
AU  - / Sinek, Simon
TI  - Start with why: How great leaders inspire everyone to take action
SN  - 978-1-59184-644-4
U1  - 658.4092 S616 2009 
PY  - 2009///
CY  - New York
PB  - Penguin Books Ltd.
KW  - leadership
ER  -