Raytheon Company. Equipment Division. (1963). PERTeach. U.S. Air Force Systems Command.
芝加哥风格引文Raytheon Company. Equipment Division. PERTeach. Bedford, Mass.: U.S. Air Force Systems Command, 1963.
MLA引文Raytheon Company. Equipment Division. PERTeach. U.S. Air Force Systems Command, 1963.
警告：这些引文格式不一定是100％准确.