Hamberg, D. (1966). R & D: Essays on the economics of research and development. Random House.
芝加哥风格引文Hamberg, Daniel. R & D: Essays on the Economics of Research and Development. New York: Random House, 1966.
MLA引文Hamberg, Daniel. R & D: Essays on the Economics of Research and Development. Random House, 1966.
警告：这些引文格式不一定是100％准确.