APA (7 वां संस्करण) प्रशस्ति पत्र
Rao, C. (1991). Environmental pollution control and engineering. New Age International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Rao, C.S. Environmental Pollution Control and Engineering. New Delhi: New Age International, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Rao, C.S. Environmental Pollution Control and Engineering. New Age International, 1991.
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