1.		Going green: the adoption of environmental initiatives in Michigan's lodging sector / Sarah Nicholls, Sanghoon Kang Autor: Nicholls, Sarah Coautor: ; Sanghoon, Kang
2.		Towards a low carbon future - the development and application of REAP Tourism, a destination footprint and scenario tool / Emma Rachel Whittlesea, Anne Owen Autor: Whittlesea, Emma Rachel Coautor: ; Owen, Anne
3.		OECD tourism papers - green innovation in tourism services / OCDE Data Publicação: 2012 Col.autor: OCDE
4.		Corporate social responsibility: The disclosure–performance gap / Xavier Font [et al] Resp- Sec.: Font, Xavier Walmsley, Andreas Cogotti, Sara McCombes, Lucy Häusler, Nicole
5.		Urban adaptation to climate change in Europe : Challenges and opportunities for cities together with supportive national and European policies / European Environment Agency Data Publicação: 2012 Col.autor: European Environment Agency
6.		Cadernos de Economia 101 : regar a esperança / Rui Leão Martinho (dir.) Data Publicação: 2012 Col.autor: Ordem dos Economistas Polimeios - Produção de Meios, Lda.