Mansell, G. (1971). Working with the computer. Pergamon Press.
Cita Chicago (17th ed.)Mansell, Gilbert. Working with the Computer. Oxford: Pergamon Press, 1971.
Cita MLA (9th ed.)Mansell, Gilbert. Working with the Computer. Pergamon Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.