APA (7 वां संस्करण) प्रशस्ति पत्र

Player, P. (1908). Notes on hydro-electric developments. McGraw Pub. Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Player, Preston. Notes on Hydro-electric Developments. New York: McGraw Pub. Co., 1908.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Player, Preston. Notes on Hydro-electric Developments. McGraw Pub. Co., 1908.