Tohutoro APA (7th ed.)

Subrahmanyam, N., Avadhanulu., M., & Lal., B. A textbook of optics. S. Chand & Company LTD..

Tohutoru Kātū Chicago (17th ed.)

Subrahmanyam, N., M.N Avadhanulu., me Brij Lal. A Textbook of Optics. New Delhi: S. Chand & Company LTD..

Tohutoro MLA (9th ed.)

Subrahmanyam, N., et al. A Textbook of Optics. S. Chand & Company LTD..