Παραπομπή APA

Arden, T. (1995). GNVQ core skills information technology: Intermediate advanced (ed.2.). Pitman publishing.

Παραπομπή Chicago Style

Arden, Trevor. GNVQ Core Skills Information Technology: Intermediate Advanced. ed.2. London: Pitman publishing, 1995.

Παραπομπή MLA

Arden, Trevor. GNVQ Core Skills Information Technology: Intermediate Advanced. ed.2. Pitman publishing, 1995.