Gayler, W. (1989). Telephone voice transmission: Standards and measurement. Prentice Hall.
Tohutoru Kātū ChicagoGayler, Winston. Telephone Voice Transmission: Standards and Measurement. Englewood Cliffs, N.J.: Prentice Hall, 1989.
Tohutoro MLAGayler, Winston. Telephone Voice Transmission: Standards and Measurement. Prentice Hall, 1989.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.