Lua APA (7ú heag.)
Singh, R. P., & Sapre, R. (2002). Communication systems: Analog and digital. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Singh, R. P., agus R.D Sapre. Communication Systems: Analog and Digital. New Delhi: Tata McGraw-Hill, 2002.
Lua MLA (9ú heag.)
Singh, R. P., agus R.D Sapre. Communication Systems: Analog and Digital. Tata McGraw-Hill, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.