TY  - BOOK
AU  - By Willink, Jocko And Babin, Leif
TI  - Extreme ownership: how US Navy SEALS lead and win 
SN  - 9781250183866
PY  - 2015///
PB  - St. Martins 
KW  -  United States -- Navy -- SEALs -- Task
ER  -