Dyfyniad APA

Subrahmanyam, N., & Lal, . B. (1986). A Textbook Of Sound (1st.). Vikas Publishing House Pvt Ltd.

Dyfyniad Arddull Chicago

Subrahmanyam, N., and Brij Lal. A Textbook Of Sound. 1st. New Delhi: Vikas Publishing House Pvt Ltd, 1986.

Dyfyniad MLA

Subrahmanyam, N., and Brij Lal. A Textbook Of Sound. 1st. Vikas Publishing House Pvt Ltd, 1986.

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