1. Global Industry Analysts Report, Green Marketing: A Global Strategic Business Report. http://www.prweb.com/releases/green_marketing/environment_protection/prweb8301232.htm/, 2012 (accessed 13 June 2020).
2. European Commission, Consumer Market Study on Environmental Claims for Non-Food Products. https://ec.europa.eu/info/sites/info/files/study_on_environmetal_claims_for_non_food_products_2014_en.pdf/, 2014 (accessed 15 June 2020).
3. Is your product really green? A content analysis to reassess green advertising;Segev;J. Advertising,2016
4. Message framing in green advertising: the effect of construal level and consumer environmental concern;Chang;Int. J. Advertising,2015
5. Comisión Nacional de los Mercados y la Competencia, Informe de supervisión del mercado minorista de electricidad en España. Año 2018. https://www.cnmc.es/sites/default/files/2820666_0.pdf/, 2019 (accessed 10 June 2020).