American Data Processing, Inc. (1966). Computer yearbook and directory. American Data Processing.
芝加哥风格引文American Data Processing, Inc. Computer Yearbook and Directory. [Detroit: American Data Processing, 1966.
MLA引文American Data Processing, Inc. Computer Yearbook and Directory. American Data Processing, 1966.
警告：这些引文格式不一定是100％准确.