Παραπομπή APA

R.P.Singh & S.D.Sapre. (1995). Communication systems: Analog and digital (1st.). TMH.

Παραπομπή Chicago Style

R.P.Singh και S.D.Sapre. Communication Systems: Analog and Digital. 1st. New Delhi: TMH, 1995.

Παραπομπή MLA

R.P.Singh και S.D.Sapre. Communication Systems: Analog and Digital. 1st. TMH, 1995.