11.		An analysis of whalewatching codes of conduct / Brian Garrod, David A. Fennell Autor: Garrod, Brian Coautor: Fennell, David A.
12.		Tourism and the precautionary principle / David A. Fennell, Kevin Ebert Autor: Fennell, David A. Coautor: Ebert, Kevin
13.		The ecotourism concept and tourism-conservation symbiosis / David Fennell, David Weaver Autor: Fennell, David A. Coautor: Weaver, David Bruce