Morris, S. (1987). Using the Amstrad PC 1512/1640 (2nd.). Henemann Newtech.
Cita Chicago (17th ed.)Morris, Stephen. Using the Amstrad PC 1512/1640. 2nd. Jordan Hill, Oxford: Henemann Newtech, 1987.
Cita MLA (9th ed.)Morris, Stephen. Using the Amstrad PC 1512/1640. 2nd. Henemann Newtech, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.