Cita APA (7th ed.)
Subrahmanyam, N., Lal, B., & Avadhanulu, M. (1966). A textbook of optics (24th rev. ed.). S.Chand & Company.
Cita Chicago (17th ed.)
Subrahmanyam, N., Brij Lal, i M.N Avadhanulu. A Textbook of Optics. 24th rev. ed. New Delhi: S.Chand & Company, 1966.
Cita MLA (9th ed.)
Subrahmanyam, N., et al. A Textbook of Optics. 24th rev. ed. S.Chand & Company, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.