Bibliografia

Principal

• Ward-Perkins, D., Beckmann, C., & Ellis, J. (2020) Tourism routes and trails: Theory and practice CABI
• Vieira, G., Zêzere, J. L., & Mora, C. (Eds.) (2020) Landforms and Landscapes of Portugal. Springer
• Tüzün, I. K, Ergül, M, & Johnson, C. (Eds.). (2020) Sustainable tourism practices in the Mediterranean Routledge
• Richins, H., & Hull, J. S. (Eds.). (2016) Mountain tourism: Experiences, communities, environments and sustainable futures. CABI
• Fullagar, S., Markwell, K., & Wilson, E. (Eds.). (2012) Slow tourism: Experiences and mobilities. Channel View Publications

Secundária

Não foi definida bibliografia secundária