Singal, S. P. (2005). Noise Pollution and Control Strategy. Alpha Science International.
Chicago-čujuhus (17. p.)Singal, S. P. Noise Pollution and Control Strategy. New Delhi: Alpha Science International, 2005.
MLA-čujuhus (9. p.)Singal, S. P. Noise Pollution and Control Strategy. Alpha Science International, 2005.
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