Ross, W. L. (1962). Teaching machines: Industry survey and buyers' guide. Center for Programmed Instruction.
芝加哥风格引文Ross, Wilbur L. Teaching Machines: Industry Survey and Buyers' Guide. N.Y.: Center for Programmed Instruction, 1962.
MLA引文Ross, Wilbur L. Teaching Machines: Industry Survey and Buyers' Guide. Center for Programmed Instruction, 1962.
警告：这些引文格式不一定是100％准确.