Subrahmanyam, N., Lal, B., & Avadhanulu, M. (2010). A textbook of optics (Rev. ed.). S Chand & Co Ltd.
Lua i Stíl Chicago (17ú heag.)Subrahmanyam, N., Brij Lal, agus M.N Avadhanulu. A Textbook of Optics. Rev. ed. New Delhi: S Chand & Co Ltd, 2010.
Lua MLA (8ú heag.)Subrahmanyam, N., et al. A Textbook of Optics. Rev. ed. S Chand & Co Ltd, 2010.
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