|Ecotourism (Ekoturystyka), Dominika Zaręba, Scientific Publishing House PWN, 3rd edition, Warsaw 2010. see (only in Polish)
Ecotourism. Facing global challenges. III Ecotourist Conference, Warsaw 2015. see pdf
|Nature Tourism. Managing for the Environment, ed. Tensie Whelan, Island Press, Washington D.C., 1991.
A kind of bible for everybody involved in ecotourism and sustainable tourism.
|Code Green. Experiences for a Lifetime, Lonely Planet, 2006.|