Martin David และผู้แต่งคนอื่นๆ. (2013) The future of renewable energies in Japan after 3.11 identifying types of energy-business actor's perceptions. <i>International Journal of Renewable Energy</i>, <i>Vol. 8</i>(No.2), pp 1-11.Martin David และผู้แต่งคนอื่นๆ. "The future of renewable energies in Japan after 3.11 identifying types of energy-business actor's perceptions". International Journal of Renewable Energy Vol. 8 (2013):pp 1-11.Martin David และผู้แต่งคนอื่นๆ. The future of renewable energies in Japan after 3.11 identifying types of energy-business actor's perceptions. School of Renewable Energy Technology:ม.ป.ท. 2013.