APA aipamena

(1993). Computer studies for BTEC (Third edition.). USA: Paul Callaghan and John Elllison.

Chicago Style aipamena

Computer Studies for BTEC. Third edition. USA: Paul Callaghan and John Elllison, 1993.

MLA aipamena

Computer Studies for BTEC. Third edition. USA: Paul Callaghan and John Elllison, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.