International Energy Agency., Workshop on Energy Data of Developing Countries, & Organisation for Economic Co-operation and Development. (1979). Workshop on Energy Data of Developing Countries, December 1978: Proceedings. Paris: Organisation for Economic Co-operation and Development.
Παραπομπή Chicago StyleInternational Energy Agency., Workshop on Energy Data of Developing Countries, and Organisation for Economic Co-operation and Development. Workshop On Energy Data of Developing Countries, December 1978: Proceedings. Paris: Organisation for Economic Co-operation and Development, 1979.
Παραπομπή MLAInternational Energy Agency., Workshop on Energy Data of Developing Countries, and Organisation for Economic Co-operation and Development. Workshop On Energy Data of Developing Countries, December 1978: Proceedings. Paris: Organisation for Economic Co-operation and Development, 1979.