APA (7 वां संस्करण) प्रशस्ति पत्र

O'Neil, P. H. (2012). Essentials of comparative politics (4th edition.). W. W. Norton and Co.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

O'Neil, Patrick H. Essentials of Comparative Politics. 4th edition. New York: W. W. Norton and Co, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

O'Neil, Patrick H. Essentials of Comparative Politics. 4th edition. W. W. Norton and Co, 2012.