APA

National Computing Centre, Institution of Civil Engineers (Londyn) & Institution of Mechanical Engineers. (1981). Technical documentation standards for computer programs and computer-based systems used in engineering. Manchester: National Computing Centre Publications.

Chicago

National Computing Centre, Institution of Civil Engineers (Londyn) and Institution of Mechanical Engineers. 1981. Technical documentation standards for computer programs and computer-based systems used in engineering. Manchester: National Computing Centre Publications.

Harvard

National Computing Centre, Institution of Civil Engineers (Londyn) and Institution of Mechanical Engineers. (1981). Technical documentation standards for computer programs and computer-based systems used in engineering. Manchester: National Computing Centre Publications.

MLA

National Computing Centre, Institution of Civil Engineers (Londyn) and Institution of Mechanical Engineers. Technical documentation standards for computer programs and computer-based systems used in engineering. Manchester: National Computing Centre Publications. 1981.