APA (7th ed.) Zitazioa
Lucas, M. (2008). Absolute FreeBSD: The complete guide to FreeBSD (2nd ed.). No Starch Press.
Chicago Style (17th ed.) Zitazioa
Lucas, Michael. Absolute FreeBSD: The Complete Guide to FreeBSD. 2nd ed. San Francisco: No Starch Press, 2008.
MLA (9th ed.) Zitazioa
Lucas, Michael. Absolute FreeBSD: The Complete Guide to FreeBSD. 2nd ed. No Starch Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.