| How to reduce single-use plastic - Guidance for tourism business |  | Futouris.org | 2021 | 
            
| Sustainability in tourism "A guide through the label jungle" |  | Diego Núñez, Herbert Hamele (ECOTRANS) | 2016 | 
            
| Practical guide for pilot hotel owners |  | Sustainable Innovation AB, Nigel Claridge | 2016 | 
            
| Energy Efficiency tips for hotel staff |  | Nigel Claridge (Sustainable Innovation AB), Ignacio Guerrero (CREARA), Maria Frangou (ENV/TUC) | 2016 | 
            
| Front Runners Marketing Guidelines |  | ENERGIES 2050, Stéphane POUFFARY and Philippine WATERKEYN | 2015 | 
            
| Keep It Real - Market and communicate your green credentials |  | Dr Xavier Font and Laura Higa, Leeds Beckett University | 2015 | 
            
| A resource efficiency guide for the hotel sector in Northern Ireland |  | Invest Northern Ireland | 2015 | 
            
| A guide to improving water efficiency |  | Resource Efficient Scotland | 2015 | 
            
| Best Environmental Management Practice in the Tourism Sector |  | David Styles, Harald Schönberger and Jose Luis Galvez Martos | 2013 | 
            
| Sustainable tourism for development Guidebook |  | World Tourism Organization (UNWTO) | 2013 |