Bhalla, A. S. (1979). Towards global action for appropriate technology. Pergamon Press.
芝加哥风格引文Bhalla, A. S. Towards Global Action for Appropriate Technology. Oxford New York: Pergamon Press, 1979.
MLA引文Bhalla, A. S. Towards Global Action for Appropriate Technology. Pergamon Press, 1979.
警告：这些引文格式不一定是100％准确.