Cita APA (7th ed.)
Heathcote, P. (1999). 'A' Level ICT (3rd ed.). Payne- Gallway.
Cita Chicago (17th ed.)
Heathcote, P.M. 'A' Level ICT. 3rd ed. Ipswich, Great Britain: Payne- Gallway, 1999.
Cita MLA (9th ed.)
Heathcote, P.M. 'A' Level ICT. 3rd ed. Payne- Gallway, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.