Paton, G., & McBride, P. K. (1997). Information technology key skills: Intermediate and advanced level GNVQ. Butterworth-Heinemann.
Cita Chicago (17th ed.)Paton, Glyn, i P. K. McBride. Information Technology Key Skills: Intermediate and Advanced Level GNVQ. Oxford: Butterworth-Heinemann, 1997.
Cita MLA (9th ed.)Paton, Glyn, i P. K. McBride. Information Technology Key Skills: Intermediate and Advanced Level GNVQ. Butterworth-Heinemann, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.