APA (7th ed.) Zitazioa

Union of European academies for science applied to agriculture, food and nature, Hera, C., Hoffmann, V., & Rivza, B. (2008). Renewable energy recources, production and technologies.

Chicago Style (17th ed.) Zitazioa

Union of European academies for science applied to agriculture, food and nature, Cristian Hera, Volker Hoffmann, eta Baiba Rivza. Renewable Energy Recources, Production and Technologies. 2008.

MLA (9th ed.) Zitazioa

Union of European academies for science applied to agriculture, food and nature, et al. Renewable Energy Recources, Production and Technologies. 2008.