American Data Processing, Inc. (1966). Computer yearbook and directory. American Data Processing.
Cita Chicago (17th ed.)American Data Processing, Inc. Computer Yearbook and Directory. [Detroit: American Data Processing, 1966.
Cita MLA (8th ed.)American Data Processing, Inc. Computer Yearbook and Directory. American Data Processing, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.