R.G.Gupta, . (2002). Audio & Video Engineering System. New Delhi: Tata Mcgraw-Hill.
R.G.Gupta, . 2002. Audio & Video Engineering System. New Delhi: Tata Mcgraw-Hill.
R.G.Gupta, . Audio & Video Engineering System. New Delhi: Tata Mcgraw-Hill. 2002.
