Cita APA (7th ed.)

Sehgal, R. L. (1988). A textbook of sound (5th ed.). S. Chand & Company.

Cita Chicago (17th ed.)

Sehgal, R. L. A Textbook of Sound. 5th ed. New Delhi: S. Chand & Company, 1988.

Cita MLA (9th ed.)

Sehgal, R. L. A Textbook of Sound. 5th ed. S. Chand & Company, 1988.