TY  - BOOK
AU  - Chaffey,Dave
AU  - Smith,P.R.
TI  - Emarketing excellence: planning and optimizing your digital marketing 
SN  - 9780415533355 (hbk.)
U1  - 658.872 
PY  - 2013///
CY  - London, New York
PB  - Routledge
KW  - Internet marketing
ER  -