Citazione APA

Norton,, P., & Desmond,, M. (1999). Complete guide to upgrading &repairing PCs (1st. ed.). Techmedia.

Stile di citazione Chicago

Norton,, Peter, e Michael Desmond. Complete Guide to Upgrading &repairing PCs. 1st. ed. New Delhi: Techmedia, 1999.

Citazione MLA

Norton,, Peter, e Michael Desmond. Complete Guide to Upgrading &repairing PCs. 1st. ed. Techmedia, 1999.