Books

Honey, Martha, "Eco Tourism and Sustainable Development: Who Owns Paradise", Island Press, 1998

Fennell, David A., "Eco-Tourism Programme Planning", CABI Publishing, 2002

Fennell, David A., "Eco-Tourism: An Introduction", Routledge, 2000

Haney, Chuck, "North Dakota Simply Beautiful", Far Country Press, 2001

Hoganson, John W., "Geology of the Lewis and Clark Trail in North Dakota", Mountain Press Publishing, 2003

Lindberg, Kreg, "Eco-Tourism: A Guide for Planners and Managers", Eco Tourism Society, 1993

Lanier, Pamela, "Eco Travel and Sustainable Tourism", Ten Speed Press, 2003

McMacken, Robin, "Dakotas: A Guide to Unique Places/Off the Beaten Path", Globe Pequot Press, 2002

Naylor, Cliff and Monica Hannan, "More Dakota Day Trips: Discovering North Dakota’s Hidden Treasures", ND Tourism, 2001

Patterson, Carol, "The Business of EcoTourism", Explorer’s Guide Publishing, 1998

Swanbrooke, John, "Sustainable Tourism Management", CAB International, 1999

Wearing, Stephen, "Eco Tourism: Impacts, Potentials, and Possibilities", Butterworth-Heinemann, 1999