International Energy Agency. Steering Group on Energy Research and Development Strategy. (1977). Towards an international strategy for energy research and development. International Energy Agency.
芝加哥风格引文International Energy Agency. Steering Group on Energy Research and Development Strategy. Towards an International Strategy for Energy Research and Development. [s.l.]: International Energy Agency, 1977.
MLA引文International Energy Agency. Steering Group on Energy Research and Development Strategy. Towards an International Strategy for Energy Research and Development. International Energy Agency, 1977.
警告：这些引文格式不一定是100％准确.