World Sustainable Energy Days Next 2014

MLA

Dell, Gerhard, and Christiane Egger. World Sustainable Energy Days Next 2014. Springer Fachmedien Wiesbaden, 2015.

APA

Dell, G., & Egger, C. (2015). World Sustainable Energy Days Next 2014. Springer Fachmedien Wiesbaden.

Chicago

Dell, Gerhard, and Christiane Egger. World Sustainable Energy Days Next 2014. : Springer Fachmedien Wiesbaden, 2015.