APA (7th ed.) Citation
Singh, R. P., & Sapre, R. (2002). Communication systems: Analog and digital. Tata McGraw-Hill.
Chicago Style (17th ed.) Citation
Singh, R. P., and R.D Sapre. Communication Systems: Analog and Digital. New Delhi: Tata McGraw-Hill, 2002.
MLA (9th ed.) Citation
Singh, R. P., and R.D Sapre. Communication Systems: Analog and Digital. Tata McGraw-Hill, 2002.
Warning: These citations may not always be 100% accurate.