Cita APA (7a ed.)

CHORAFAS, D. N. (1984). TELELPHONY: TODAY AND TOMORROW. PRENTICE - HALL.

Cita Chicago Style (17a ed.)

CHORAFAS, D. N. TELELPHONY: TODAY AND TOMORROW. ENGLEWOOD: PRENTICE - HALL, 1984.

Cita MLA (9a ed.)

CHORAFAS, D. N. TELELPHONY: TODAY AND TOMORROW. PRENTICE - HALL, 1984.