Afgan, N., & Carvalho, M. d. G. (2001). New and renewable energy technologies for sustainable development: Proceedings of the conference on new and renewable energy technologies for sustainable development 24-25 June 2002, Ponta Delgada, Azores, Portugal. Lisse: A. A. Balkema.
Παραπομπή Chicago StyleAfgan, Naim, and Maria da Graca Carvalho. New and Renewable Energy Technologies for Sustainable Development: Proceedings of the Conference On New and Renewable Energy Technologies for Sustainable Development 24-25 June 2002, Ponta Delgada, Azores, Portugal. Lisse: A. A. Balkema, 2001.
Παραπομπή MLAAfgan, Naim, and Maria da Graca Carvalho. New and Renewable Energy Technologies for Sustainable Development: Proceedings of the Conference On New and Renewable Energy Technologies for Sustainable Development 24-25 June 2002, Ponta Delgada, Azores, Portugal. Lisse: A. A. Balkema, 2001.