Παραπομπή σε μορφή APA (7η εκδ.)

Gupta, S. (1990). Electronics communications systems: A textbook for electronicsengineering students. Khanna Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gupta, Sanjeeeva. Electronics Communications Systems: A Textbook for Electronicsengineering Students. Delhi: Khanna Publishers, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gupta, Sanjeeeva. Electronics Communications Systems: A Textbook for Electronicsengineering Students. Khanna Publishers, 1990.