APA (7th ed.) Zitazioa
Lee, D. C. Enhanced IP Services for Cisco Networks. Cisco.
Chicago Style (17th ed.) Zitazioa
Lee, Donald C. Enhanced IP Services for Cisco Networks. Indianápolis, EUA: Cisco.
MLA (9th ed.) Zitazioa
Lee, Donald C. Enhanced IP Services for Cisco Networks. Cisco.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.