TY  - BOOK
AU  - Chaffey, Dave
AU  - Smith, P. R.
TI  - E - marketing excellence: planning and optimizing your digital marketing 
SN  - 9780415533379
PY  - 2008///
CY  - London
PB  - Routledge Taylor and Francis
KW  - E - Marketing
KW  - Internet - Marketing
ER  -