Subrahmanyam, N., & Lal, . B. (1997). A Textbook Of Sound (2nd revised ed.). vikas publishing house pvt ltd.
Chicago Style (17. basım) AtıfSubrahmanyam, N., ve Brij Lal. A Textbook Of Sound. 2nd revised ed. New Delhi: vikas publishing house pvt ltd, 1997.
MLA (9th ed.) AtıfSubrahmanyam, N., ve Brij Lal. A Textbook Of Sound. 2nd revised ed. vikas publishing house pvt ltd, 1997.
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