J. Bates Regis, & Bates Marcus. (2007). Principles of Voice & Data Communications. American: Mc Graw Hill Irwin.
Chicago Style aipamenaJ. Bates Regis, và Bates Marcus. Principles of Voice & Data Communications. American: Mc Graw Hill Irwin, 2007.
MLA aipamenaJ. Bates Regis, và Bates Marcus. Principles of Voice & Data Communications. American: Mc Graw Hill Irwin, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.