shapeimage_6-1 Ecotourism (Ekoturystyka), Dominika Zaręba, Scientific Publishing House PWN, 3rd edition, Warsaw 2010. see (only in Polish)
nature-tourism-9781559630368 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-9781741047912 Code Green. Experiences for a Lifetime, Lonely Planet, 2006.
 III_EuroEco_broszura-1 Ecotourism. Facing global challenges. III Ecotourist Conference, Warsaw 2015. see pdf
The 5th European Ecotourism Conference Publication-1 5th European Ecotourism Conference, Tbilisi, Georgia, Conference publication, Georgian Ecotourism Association, 2018. see pdf