APA aipamena

Donkers, A. (1997). Unix Security. Comdex.

Chicago Style aipamena

Donkers, Arthur. Unix Security. New Delhi: Comdex, 1997.

MLA aipamena

Donkers, Arthur. Unix Security. Comdex, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.