TY  - BOOK
AU  - Armstrong, Derek Lee
AU  - Yu, Kam Wai.
TI  - The persona principle: how to succeed in business with image-marketing 
SN  - 0684802686
AV  - 1mover1Karines 
PY  - 1996///
CY  - New York
PB  - Simon & Schuster
ER  -