APA Style
Friedberg, E, [, M, E. (2008).
eTourism case studies : management and marketing issues .
Oxford:
Butterworth-Heinemann.
MLA Style
Friedberg, Erhard, [Hilderbrand,, Mary, E.].
"eTourism case studies : management and marketing issues".
Oxford:
Butterworth-Heinemann,
2008.
Text.