APA-viite (7. p.)

Bellamy, J. C. (2003). Digital Telephony (3rd ed.). Wiley India.

Chicago-viite (17. p.)

Bellamy, John C. Digital Telephony. 3rd ed. New Dehli: Wiley India, 2003.

MLA-viite (9. p.)

Bellamy, John C. Digital Telephony. 3rd ed. Wiley India, 2003.