1. Becken, S., Simmons, D. G., & Frampton, C. M. (2013). Energy use associated with different travel choices. Journal of Sustainable Tourism, 21(7), 951-971.
2. Bramwell, B., & Lane, B. (1993). Sustainable tourism: An evolving global approach. Journal of Sustainable Tourism, 1(1), 1-5.
3. Bohdanowicz, P., Zientara, P., & Novotný, J. (2017). Towards sustainable hoteling: Sustainable strategies in the hotel industry. In The Routledge Handbook of Transport Economics (pp. 426-442). Routledge.
4. Bohdanowicz, P., Zientara, P., & Novotný, J. (2017). Environmental practices and innovations in the hospitality industry: Evidence from hotels in Poland. Journal of Sustainable Tourism, 25(5), 639-656.
5. Bohdanowicz, P., Zientara, P., & Novotný, J. (2017). Towards sustainable hoteling: Sustainable strategies in the hotel industry. In The Routledge Handbook of Transport Economics (pp. 426-442).