Gupta , S. (1981). Electronics communications systems: A textbook for electronics engineering students. Khanna pub.
Chicago-viite (17. p.)Gupta , Sanjeeva. Electronics Communications Systems: A Textbook for Electronics Engineering Students. Delhi: Khanna pub, 1981.
MLA-viite (9. p.)Gupta , Sanjeeva. Electronics Communications Systems: A Textbook for Electronics Engineering Students. Khanna pub, 1981.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.