APA (7 वां संस्करण) प्रशस्ति पत्र

Williams, P. T. (2005). Waste treatment and disposal (Second edition.). John Wiley & Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Williams, Paul T. Waste Treatment and Disposal. Second edition. Hoboken N.J: John Wiley & Sons, 2005.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Williams, Paul T. Waste Treatment and Disposal. Second edition. John Wiley & Sons, 2005.