Παραπομπή APA

Chorafas, D. N. (1984). Telephony Today and Tomorrow. Prentice-Hall of India.

Παραπομπή Chicago Style

Chorafas, Dimiris. N. Telephony Today and Tomorrow. Englewood Cliffs: Prentice-Hall of India, 1984.

Παραπομπή MLA

Chorafas, Dimiris. N. Telephony Today and Tomorrow. Prentice-Hall of India, 1984.