Krishnamoorthy ,bala. (2017). Environmental management: Text & cases (3rd.). PHI learning pvt ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrishnamoorthy ,bala. Environmental Management: Text & Cases. 3rd. Delhi: PHI learning pvt ltd, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrishnamoorthy ,bala. Environmental Management: Text & Cases. 3rd. PHI learning pvt ltd, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.