Cita APA (7th ed.)

Subrahmanyam, N., & Lal, B. (2006). A textbook of optics (23rd rev. ed.). S. Chand & Company Ltd..

Cita Chicago (17th ed.)

Subrahmanyam, N., i Brij Lal. A Textbook of Optics. 23rd rev. ed. New Delhi: S. Chand & Company Ltd., 2006.

Cita MLA (9th ed.)

Subrahmanyam, N., i Brij Lal. A Textbook of Optics. 23rd rev. ed. S. Chand & Company Ltd., 2006.