APA (7th ed.) Zitazioa

Sapien, M. (1997). Mastering ISDN (Integrated Services Digital Network). BPB.

Chicago Style (17th ed.) Zitazioa

Sapien, Mike. Mastering ISDN (Integrated Services Digital Network). New Delhi: BPB, 1997.

MLA (9th ed.) Zitazioa

Sapien, Mike. Mastering ISDN (Integrated Services Digital Network). BPB, 1997.