Data Processing Management Association. (1969). Principles of automatic data processing. U.S.A: Data Processing Management Association.
Chicago Style aipamenaData Processing Management Association. Principles of Automatic Data Processing. U.S.A: Data Processing Management Association, 1969.
MLA aipamenaData Processing Management Association. Principles of Automatic Data Processing. U.S.A: Data Processing Management Association, 1969.
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